Home / 31,956.20-47,934.30-13,233.68

Finding the Fourth Proportional to 31,956.20, 47,934.30 and 13,233.68

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Solution

The fourth proportional to 31,956.20, 47,934.30 and 13,233.68 is: 19,850.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,956.20 : 47,934.30 = 13,233.68 : x
  2. Step 2: Convert to fraction form
    31,956.20/47,934.30 = 13,233.68/x
  3. Step 3: Cross multiply
    31,956.20x = 47,934.30 × 13,233.68
  4. Step 4: Simplify right side
    31,956.20x = 634,347,187.22
  5. Step 5: Solve for x
    x = 634,347,187.22/31,956.20
  6. Step 6: Final answer
    x = 19,850.52

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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.