Home / 41,158.52-61,672.91-31,821.38

Finding the Fourth Proportional to 41,158.52, 61,672.91 and 31,821.38

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Solution

The fourth proportional to 41,158.52, 61,672.91 and 31,821.38 is: 47,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,158.52 : 61,672.91 = 31,821.38 : x
  2. Step 2: Convert to fraction form
    41,158.52/61,672.91 = 31,821.38/x
  3. Step 3: Cross multiply
    41,158.52x = 61,672.91 × 31,821.38
  4. Step 4: Simplify right side
    41,158.52x = 1,962,516,637.34
  5. Step 5: Solve for x
    x = 1,962,516,637.34/41,158.52
  6. Step 6: Final answer
    x = 47,681.91

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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.