Home / 30,116.88-41,563.44-18,179.55

Finding the Fourth Proportional to 30,116.88, 41,563.44 and 18,179.55

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Solution

The fourth proportional to 30,116.88, 41,563.44 and 18,179.55 is: 25,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,116.88 : 41,563.44 = 18,179.55 : x
  2. Step 2: Convert to fraction form
    30,116.88/41,563.44 = 18,179.55/x
  3. Step 3: Cross multiply
    30,116.88x = 41,563.44 × 18,179.55
  4. Step 4: Simplify right side
    30,116.88x = 755,604,635.65
  5. Step 5: Solve for x
    x = 755,604,635.65/30,116.88
  6. Step 6: Final answer
    x = 25,089.07

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Half scale
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Double scale
Find fourth proportional to 30,117.88, 41,564.82 and 18,180.55
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.