Home / 40,555.84-60,706.32-25,781.44

Finding the Fourth Proportional to 40,555.84, 60,706.32 and 25,781.44

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Solution

The fourth proportional to 40,555.84, 60,706.32 and 25,781.44 is: 38,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555.84 : 60,706.32 = 25,781.44 : x
  2. Step 2: Convert to fraction form
    40,555.84/60,706.32 = 25,781.44/x
  3. Step 3: Cross multiply
    40,555.84x = 60,706.32 × 25,781.44
  4. Step 4: Simplify right side
    40,555.84x = 1,565,096,346.70
  5. Step 5: Solve for x
    x = 1,565,096,346.70/40,555.84
  6. Step 6: Final answer
    x = 38,591.15

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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.