Home / 52,049.40-71,812.28-31,898.90

Finding the Fourth Proportional to 52,049.40, 71,812.28 and 31,898.90

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Solution

The fourth proportional to 52,049.40, 71,812.28 and 31,898.90 is: 44,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,049.40 : 71,812.28 = 31,898.90 : x
  2. Step 2: Convert to fraction form
    52,049.40/71,812.28 = 31,898.90/x
  3. Step 3: Cross multiply
    52,049.40x = 71,812.28 × 31,898.90
  4. Step 4: Simplify right side
    52,049.40x = 2,290,732,738.49
  5. Step 5: Solve for x
    x = 2,290,732,738.49/52,049.40
  6. Step 6: Final answer
    x = 44,010.74

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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.