Home / 39,781.98-59,669.10-13,483.62

Finding the Fourth Proportional to 39,781.98, 59,669.10 and 13,483.62

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Solution

The fourth proportional to 39,781.98, 59,669.10 and 13,483.62 is: 20,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,781.98 : 59,669.10 = 13,483.62 : x
  2. Step 2: Convert to fraction form
    39,781.98/59,669.10 = 13,483.62/x
  3. Step 3: Cross multiply
    39,781.98x = 59,669.10 × 13,483.62
  4. Step 4: Simplify right side
    39,781.98x = 804,555,470.14
  5. Step 5: Solve for x
    x = 804,555,470.14/39,781.98
  6. Step 6: Final answer
    x = 20,224.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.