Home / 51,601.90-71,211.36-38,658.24

Finding the Fourth Proportional to 51,601.90, 71,211.36 and 38,658.24

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Solution

The fourth proportional to 51,601.90, 71,211.36 and 38,658.24 is: 53,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,601.90 : 71,211.36 = 38,658.24 : x
  2. Step 2: Convert to fraction form
    51,601.90/71,211.36 = 38,658.24/x
  3. Step 3: Cross multiply
    51,601.90x = 71,211.36 × 38,658.24
  4. Step 4: Simplify right side
    51,601.90x = 2,752,905,845.61
  5. Step 5: Solve for x
    x = 2,752,905,845.61/51,601.90
  6. Step 6: Final answer
    x = 53,348.92

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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.