Home / 41,719.36-62,572.56-13,639.20

Finding the Fourth Proportional to 41,719.36, 62,572.56 and 13,639.20

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Solution

The fourth proportional to 41,719.36, 62,572.56 and 13,639.20 is: 20,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,719.36 : 62,572.56 = 13,639.20 : x
  2. Step 2: Convert to fraction form
    41,719.36/62,572.56 = 13,639.20/x
  3. Step 3: Cross multiply
    41,719.36x = 62,572.56 × 13,639.20
  4. Step 4: Simplify right side
    41,719.36x = 853,439,660.35
  5. Step 5: Solve for x
    x = 853,439,660.35/41,719.36
  6. Step 6: Final answer
    x = 20,456.68

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1.5x scale

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.