Home / 40,740.86-61,116.78-17,372.78

Finding the Fourth Proportional to 40,740.86, 61,116.78 and 17,372.78

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Solution

The fourth proportional to 40,740.86, 61,116.78 and 17,372.78 is: 26,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,740.86 : 61,116.78 = 17,372.78 : x
  2. Step 2: Convert to fraction form
    40,740.86/61,116.78 = 17,372.78/x
  3. Step 3: Cross multiply
    40,740.86x = 61,116.78 × 17,372.78
  4. Step 4: Simplify right side
    40,740.86x = 1,061,768,373.25
  5. Step 5: Solve for x
    x = 1,061,768,373.25/40,740.86
  6. Step 6: Final answer
    x = 26,061.51

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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.