Home / 40,939.56-61,438.50-17,572.68

Finding the Fourth Proportional to 40,939.56, 61,438.50 and 17,572.68

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Solution

The fourth proportional to 40,939.56, 61,438.50 and 17,572.68 is: 26,371.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,939.56 : 61,438.50 = 17,572.68 : x
  2. Step 2: Convert to fraction form
    40,939.56/61,438.50 = 17,572.68/x
  3. Step 3: Cross multiply
    40,939.56x = 61,438.50 × 17,572.68
  4. Step 4: Simplify right side
    40,939.56x = 1,079,639,100.18
  5. Step 5: Solve for x
    x = 1,079,639,100.18/40,939.56
  6. Step 6: Final answer
    x = 26,371.54

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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.