Home / 47,937.20-66,153.12-27,805.76

Finding the Fourth Proportional to 47,937.20, 66,153.12 and 27,805.76

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Solution

The fourth proportional to 47,937.20, 66,153.12 and 27,805.76 is: 38,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,937.20 : 66,153.12 = 27,805.76 : x
  2. Step 2: Convert to fraction form
    47,937.20/66,153.12 = 27,805.76/x
  3. Step 3: Cross multiply
    47,937.20x = 66,153.12 × 27,805.76
  4. Step 4: Simplify right side
    47,937.20x = 1,839,437,777.97
  5. Step 5: Solve for x
    x = 1,839,437,777.97/47,937.20
  6. Step 6: Final answer
    x = 38,371.82

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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.