Home / 31,525.92-47,149.45-28,040.38

Finding the Fourth Proportional to 31,525.92, 47,149.45 and 28,040.38

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Solution

The fourth proportional to 31,525.92, 47,149.45 and 28,040.38 is: 41,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525.92 : 47,149.45 = 28,040.38 : x
  2. Step 2: Convert to fraction form
    31,525.92/47,149.45 = 28,040.38/x
  3. Step 3: Cross multiply
    31,525.92x = 47,149.45 × 28,040.38
  4. Step 4: Simplify right side
    31,525.92x = 1,322,088,494.79
  5. Step 5: Solve for x
    x = 1,322,088,494.79/31,525.92
  6. Step 6: Final answer
    x = 41,936.56

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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.