Home / 39,363.30-59,045.40-9,781.20

Finding the Fourth Proportional to 39,363.30, 59,045.40 and 9,781.20

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Solution

The fourth proportional to 39,363.30, 59,045.40 and 9,781.20 is: 14,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,363.30 : 59,045.40 = 9,781.20 : x
  2. Step 2: Convert to fraction form
    39,363.30/59,045.40 = 9,781.20/x
  3. Step 3: Cross multiply
    39,363.30x = 59,045.40 × 9,781.20
  4. Step 4: Simplify right side
    39,363.30x = 577,534,866.48
  5. Step 5: Solve for x
    x = 577,534,866.48/39,363.30
  6. Step 6: Final answer
    x = 14,671.91

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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.