Home / 40,232.20-60,348.30-31,937.80

Finding the Fourth Proportional to 40,232.20, 60,348.30 and 31,937.80

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Solution

The fourth proportional to 40,232.20, 60,348.30 and 31,937.80 is: 47,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,232.20 : 60,348.30 = 31,937.80 : x
  2. Step 2: Convert to fraction form
    40,232.20/60,348.30 = 31,937.80/x
  3. Step 3: Cross multiply
    40,232.20x = 60,348.30 × 31,937.80
  4. Step 4: Simplify right side
    40,232.20x = 1,927,391,935.74
  5. Step 5: Solve for x
    x = 1,927,391,935.74/40,232.20
  6. Step 6: Final answer
    x = 47,906.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.