Home / 52,130.31-71,981.24-48,149.97

Finding the Fourth Proportional to 52,130.31, 71,981.24 and 48,149.97

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Solution

The fourth proportional to 52,130.31, 71,981.24 and 48,149.97 is: 66,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130.31 : 71,981.24 = 48,149.97 : x
  2. Step 2: Convert to fraction form
    52,130.31/71,981.24 = 48,149.97/x
  3. Step 3: Cross multiply
    52,130.31x = 71,981.24 × 48,149.97
  4. Step 4: Simplify right side
    52,130.31x = 3,465,894,546.56
  5. Step 5: Solve for x
    x = 3,465,894,546.56/52,130.31
  6. Step 6: Final answer
    x = 66,485.21

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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.