Home / 40,808.92-61,086.17-31,424.56

Finding the Fourth Proportional to 40,808.92, 61,086.17 and 31,424.56

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Solution

The fourth proportional to 40,808.92, 61,086.17 and 31,424.56 is: 47,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,808.92 : 61,086.17 = 31,424.56 : x
  2. Step 2: Convert to fraction form
    40,808.92/61,086.17 = 31,424.56/x
  3. Step 3: Cross multiply
    40,808.92x = 61,086.17 × 31,424.56
  4. Step 4: Simplify right side
    40,808.92x = 1,919,606,014.34
  5. Step 5: Solve for x
    x = 1,919,606,014.34/40,808.92
  6. Step 6: Final answer
    x = 47,038.88

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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.