Home / 66,837.72-92,229.92-38,537.94

Finding the Fourth Proportional to 66,837.72, 92,229.92 and 38,537.94

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Solution

The fourth proportional to 66,837.72, 92,229.92 and 38,537.94 is: 53,178.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,837.72 : 92,229.92 = 38,537.94 : x
  2. Step 2: Convert to fraction form
    66,837.72/92,229.92 = 38,537.94/x
  3. Step 3: Cross multiply
    66,837.72x = 92,229.92 × 38,537.94
  4. Step 4: Simplify right side
    66,837.72x = 3,554,351,123.16
  5. Step 5: Solve for x
    x = 3,554,351,123.16/66,837.72
  6. Step 6: Final answer
    x = 53,178.82

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1.5x scale

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.