Home / 31,481.68-47,288.10-26,560.96

Finding the Fourth Proportional to 31,481.68, 47,288.10 and 26,560.96

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Solution

The fourth proportional to 31,481.68, 47,288.10 and 26,560.96 is: 39,896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.68 : 47,288.10 = 26,560.96 : x
  2. Step 2: Convert to fraction form
    31,481.68/47,288.10 = 26,560.96/x
  3. Step 3: Cross multiply
    31,481.68x = 47,288.10 × 26,560.96
  4. Step 4: Simplify right side
    31,481.68x = 1,256,017,332.58
  5. Step 5: Solve for x
    x = 1,256,017,332.58/31,481.68
  6. Step 6: Final answer
    x = 39,896.77

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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.