Home / 40,807.92-61,084.67-31,423.56

Finding the Fourth Proportional to 40,807.92, 61,084.67 and 31,423.56

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Solution

The fourth proportional to 40,807.92, 61,084.67 and 31,423.56 is: 47,037.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,807.92 : 61,084.67 = 31,423.56 : x
  2. Step 2: Convert to fraction form
    40,807.92/61,084.67 = 31,423.56/x
  3. Step 3: Cross multiply
    40,807.92x = 61,084.67 × 31,423.56
  4. Step 4: Simplify right side
    40,807.92x = 1,919,497,792.83
  5. Step 5: Solve for x
    x = 1,919,497,792.83/40,807.92
  6. Step 6: Final answer
    x = 47,037.38

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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.