Home / 31,922.55-47,869.92-10,856.88

Finding the Fourth Proportional to 31,922.55, 47,869.92 and 10,856.88

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Solution

The fourth proportional to 31,922.55, 47,869.92 and 10,856.88 is: 16,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922.55 : 47,869.92 = 10,856.88 : x
  2. Step 2: Convert to fraction form
    31,922.55/47,869.92 = 10,856.88/x
  3. Step 3: Cross multiply
    31,922.55x = 47,869.92 × 10,856.88
  4. Step 4: Simplify right side
    31,922.55x = 519,717,977.05
  5. Step 5: Solve for x
    x = 519,717,977.05/31,922.55
  6. Step 6: Final answer
    x = 16,280.59

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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.