Home / 38,658.28-58,250.78-31,792.12

Finding the Fourth Proportional to 38,658.28, 58,250.78 and 31,792.12

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Solution

The fourth proportional to 38,658.28, 58,250.78 and 31,792.12 is: 47,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,658.28 : 58,250.78 = 31,792.12 : x
  2. Step 2: Convert to fraction form
    38,658.28/58,250.78 = 31,792.12/x
  3. Step 3: Cross multiply
    38,658.28x = 58,250.78 × 31,792.12
  4. Step 4: Simplify right side
    38,658.28x = 1,851,915,787.85
  5. Step 5: Solve for x
    x = 1,851,915,787.85/38,658.28
  6. Step 6: Final answer
    x = 47,904.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.