Home / 40,380.90-60,575.60-14,085.87

Finding the Fourth Proportional to 40,380.90, 60,575.60 and 14,085.87

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Solution

The fourth proportional to 40,380.90, 60,575.60 and 14,085.87 is: 21,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.90 : 60,575.60 = 14,085.87 : x
  2. Step 2: Convert to fraction form
    40,380.90/60,575.60 = 14,085.87/x
  3. Step 3: Cross multiply
    40,380.90x = 60,575.60 × 14,085.87
  4. Step 4: Simplify right side
    40,380.90x = 853,260,061.99
  5. Step 5: Solve for x
    x = 853,260,061.99/40,380.90
  6. Step 6: Final answer
    x = 21,130.29

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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.