Home / 31,432.30-47,138.37-10,367.61

Finding the Fourth Proportional to 31,432.30, 47,138.37 and 10,367.61

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Solution

The fourth proportional to 31,432.30, 47,138.37 and 10,367.61 is: 15,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.30 : 47,138.37 = 10,367.61 : x
  2. Step 2: Convert to fraction form
    31,432.30/47,138.37 = 10,367.61/x
  3. Step 3: Cross multiply
    31,432.30x = 47,138.37 × 10,367.61
  4. Step 4: Simplify right side
    31,432.30x = 488,712,236.20
  5. Step 5: Solve for x
    x = 488,712,236.20/31,432.30
  6. Step 6: Final answer
    x = 15,548.09

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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.