Home / 31,449.15-47,191.95-15,867.99

Finding the Fourth Proportional to 31,449.15, 47,191.95 and 15,867.99

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Solution

The fourth proportional to 31,449.15, 47,191.95 and 15,867.99 is: 23,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449.15 : 47,191.95 = 15,867.99 : x
  2. Step 2: Convert to fraction form
    31,449.15/47,191.95 = 15,867.99/x
  3. Step 3: Cross multiply
    31,449.15x = 47,191.95 × 15,867.99
  4. Step 4: Simplify right side
    31,449.15x = 748,841,390.68
  5. Step 5: Solve for x
    x = 748,841,390.68/31,449.15
  6. Step 6: Final answer
    x = 23,811.18

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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.