Home / 39,132.90-58,647.87-21,371.40

Finding the Fourth Proportional to 39,132.90, 58,647.87 and 21,371.40

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Solution

The fourth proportional to 39,132.90, 58,647.87 and 21,371.40 is: 32,028.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132.90 : 58,647.87 = 21,371.40 : x
  2. Step 2: Convert to fraction form
    39,132.90/58,647.87 = 21,371.40/x
  3. Step 3: Cross multiply
    39,132.90x = 58,647.87 × 21,371.40
  4. Step 4: Simplify right side
    39,132.90x = 1,253,387,088.92
  5. Step 5: Solve for x
    x = 1,253,387,088.92/39,132.90
  6. Step 6: Final answer
    x = 32,028.99

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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.