Home / 31,500.92-47,251.24-21,610.16

Finding the Fourth Proportional to 31,500.92, 47,251.24 and 21,610.16

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Solution

The fourth proportional to 31,500.92, 47,251.24 and 21,610.16 is: 32,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.92 : 47,251.24 = 21,610.16 : x
  2. Step 2: Convert to fraction form
    31,500.92/47,251.24 = 21,610.16/x
  3. Step 3: Cross multiply
    31,500.92x = 47,251.24 × 21,610.16
  4. Step 4: Simplify right side
    31,500.92x = 1,021,106,856.60
  5. Step 5: Solve for x
    x = 1,021,106,856.60/31,500.92
  6. Step 6: Final answer
    x = 32,415.14

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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.