Home / 47,861.60-66,052.14-31,935.92

Finding the Fourth Proportional to 47,861.60, 66,052.14 and 31,935.92

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Solution

The fourth proportional to 47,861.60, 66,052.14 and 31,935.92 is: 44,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,861.60 : 66,052.14 = 31,935.92 : x
  2. Step 2: Convert to fraction form
    47,861.60/66,052.14 = 31,935.92/x
  3. Step 3: Cross multiply
    47,861.60x = 66,052.14 × 31,935.92
  4. Step 4: Simplify right side
    47,861.60x = 2,109,435,858.87
  5. Step 5: Solve for x
    x = 2,109,435,858.87/47,861.60
  6. Step 6: Final answer
    x = 44,073.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.