Home / 31,501.28-47,251.92-21,610.57

Finding the Fourth Proportional to 31,501.28, 47,251.92 and 21,610.57

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Solution

The fourth proportional to 31,501.28, 47,251.92 and 21,610.57 is: 32,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501.28 : 47,251.92 = 21,610.57 : x
  2. Step 2: Convert to fraction form
    31,501.28/47,251.92 = 21,610.57/x
  3. Step 3: Cross multiply
    31,501.28x = 47,251.92 × 21,610.57
  4. Step 4: Simplify right side
    31,501.28x = 1,021,140,924.79
  5. Step 5: Solve for x
    x = 1,021,140,924.79/31,501.28
  6. Step 6: Final answer
    x = 32,415.86

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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.