Home / 40,740.86-61,108.56-11,158.94

Finding the Fourth Proportional to 40,740.86, 61,108.56 and 11,158.94

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Solution

The fourth proportional to 40,740.86, 61,108.56 and 11,158.94 is: 16,737.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,740.86 : 61,108.56 = 11,158.94 : x
  2. Step 2: Convert to fraction form
    40,740.86/61,108.56 = 11,158.94/x
  3. Step 3: Cross multiply
    40,740.86x = 61,108.56 × 11,158.94
  4. Step 4: Simplify right side
    40,740.86x = 681,906,754.53
  5. Step 5: Solve for x
    x = 681,906,754.53/40,740.86
  6. Step 6: Final answer
    x = 16,737.66

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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.