Home / 39,763.20-59,644.80-12,061.20

Finding the Fourth Proportional to 39,763.20, 59,644.80 and 12,061.20

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Solution

The fourth proportional to 39,763.20, 59,644.80 and 12,061.20 is: 18,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,763.20 : 59,644.80 = 12,061.20 : x
  2. Step 2: Convert to fraction form
    39,763.20/59,644.80 = 12,061.20/x
  3. Step 3: Cross multiply
    39,763.20x = 59,644.80 × 12,061.20
  4. Step 4: Simplify right side
    39,763.20x = 719,387,861.76
  5. Step 5: Solve for x
    x = 719,387,861.76/39,763.20
  6. Step 6: Final answer
    x = 18,091.80

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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.