Home / 57,472.38-86,084.64-31,121.46

Finding the Fourth Proportional to 57,472.38, 86,084.64 and 31,121.46

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Solution

The fourth proportional to 57,472.38, 86,084.64 and 31,121.46 is: 46,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472.38 : 86,084.64 = 31,121.46 : x
  2. Step 2: Convert to fraction form
    57,472.38/86,084.64 = 31,121.46/x
  3. Step 3: Cross multiply
    57,472.38x = 86,084.64 × 31,121.46
  4. Step 4: Simplify right side
    57,472.38x = 2,679,079,680.37
  5. Step 5: Solve for x
    x = 2,679,079,680.37/57,472.38
  6. Step 6: Final answer
    x = 46,615.08

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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.