Home / 30,291.06-41,805.81-19,145.46

Finding the Fourth Proportional to 30,291.06, 41,805.81 and 19,145.46

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Solution

The fourth proportional to 30,291.06, 41,805.81 and 19,145.46 is: 26,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.06 : 41,805.81 = 19,145.46 : x
  2. Step 2: Convert to fraction form
    30,291.06/41,805.81 = 19,145.46/x
  3. Step 3: Cross multiply
    30,291.06x = 41,805.81 × 19,145.46
  4. Step 4: Simplify right side
    30,291.06x = 800,391,463.12
  5. Step 5: Solve for x
    x = 800,391,463.12/30,291.06
  6. Step 6: Final answer
    x = 26,423.36

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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.