Home / 39,553.20-59,233.80-21,044.40

Finding the Fourth Proportional to 39,553.20, 59,233.80 and 21,044.40

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Solution

The fourth proportional to 39,553.20, 59,233.80 and 21,044.40 is: 31,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,553.20 : 59,233.80 = 21,044.40 : x
  2. Step 2: Convert to fraction form
    39,553.20/59,233.80 = 21,044.40/x
  3. Step 3: Cross multiply
    39,553.20x = 59,233.80 × 21,044.40
  4. Step 4: Simplify right side
    39,553.20x = 1,246,539,780.72
  5. Step 5: Solve for x
    x = 1,246,539,780.72/39,553.20
  6. Step 6: Final answer
    x = 31,515.52

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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.