Home / 47,515.38-71,280.36-17,932.56

Finding the Fourth Proportional to 47,515.38, 71,280.36 and 17,932.56

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Solution

The fourth proportional to 47,515.38, 71,280.36 and 17,932.56 is: 26,901.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.38 : 71,280.36 = 17,932.56 : x
  2. Step 2: Convert to fraction form
    47,515.38/71,280.36 = 17,932.56/x
  3. Step 3: Cross multiply
    47,515.38x = 71,280.36 × 17,932.56
  4. Step 4: Simplify right side
    47,515.38x = 1,278,239,332.52
  5. Step 5: Solve for x
    x = 1,278,239,332.52/47,515.38
  6. Step 6: Final answer
    x = 26,901.59

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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.