Home / 38,158.54-52,658.45-21,391.54

Finding the Fourth Proportional to 38,158.54, 52,658.45 and 21,391.54

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Solution

The fourth proportional to 38,158.54, 52,658.45 and 21,391.54 is: 29,520.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,158.54 : 52,658.45 = 21,391.54 : x
  2. Step 2: Convert to fraction form
    38,158.54/52,658.45 = 21,391.54/x
  3. Step 3: Cross multiply
    38,158.54x = 52,658.45 × 21,391.54
  4. Step 4: Simplify right side
    38,158.54x = 1,126,445,232.56
  5. Step 5: Solve for x
    x = 1,126,445,232.56/38,158.54
  6. Step 6: Final answer
    x = 29,520.13

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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.