Home / 30,118.26-41,525.40-19,344.12

Finding the Fourth Proportional to 30,118.26, 41,525.40 and 19,344.12

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Solution

The fourth proportional to 30,118.26, 41,525.40 and 19,344.12 is: 26,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.26 : 41,525.40 = 19,344.12 : x
  2. Step 2: Convert to fraction form
    30,118.26/41,525.40 = 19,344.12/x
  3. Step 3: Cross multiply
    30,118.26x = 41,525.40 × 19,344.12
  4. Step 4: Simplify right side
    30,118.26x = 803,272,320.65
  5. Step 5: Solve for x
    x = 803,272,320.65/30,118.26
  6. Step 6: Final answer
    x = 26,670.61

Related Problems

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Half scale
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Double scale
Find fourth proportional to 30,119.26, 41,526.78 and 19,345.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.