Home / 60,447.88-83,391.28-40,285.12

Finding the Fourth Proportional to 60,447.88, 83,391.28 and 40,285.12

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Solution

The fourth proportional to 60,447.88, 83,391.28 and 40,285.12 is: 55,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,447.88 : 83,391.28 = 40,285.12 : x
  2. Step 2: Convert to fraction form
    60,447.88/83,391.28 = 40,285.12/x
  3. Step 3: Cross multiply
    60,447.88x = 83,391.28 × 40,285.12
  4. Step 4: Simplify right side
    60,447.88x = 3,359,427,721.75
  5. Step 5: Solve for x
    x = 3,359,427,721.75/60,447.88
  6. Step 6: Final answer
    x = 55,575.61

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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.