Home / 48,849.47-67,380.21-38,761.91

Finding the Fourth Proportional to 48,849.47, 67,380.21 and 38,761.91

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Solution

The fourth proportional to 48,849.47, 67,380.21 and 38,761.91 is: 53,466.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,849.47 : 67,380.21 = 38,761.91 : x
  2. Step 2: Convert to fraction form
    48,849.47/67,380.21 = 38,761.91/x
  3. Step 3: Cross multiply
    48,849.47x = 67,380.21 × 38,761.91
  4. Step 4: Simplify right side
    48,849.47x = 2,611,785,635.80
  5. Step 5: Solve for x
    x = 2,611,785,635.80/48,849.47
  6. Step 6: Final answer
    x = 53,466.00

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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.