Home / 31,741.92-47,643.84-15,113.43

Finding the Fourth Proportional to 31,741.92, 47,643.84 and 15,113.43

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Solution

The fourth proportional to 31,741.92, 47,643.84 and 15,113.43 is: 22,684.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,741.92 : 47,643.84 = 15,113.43 : x
  2. Step 2: Convert to fraction form
    31,741.92/47,643.84 = 15,113.43/x
  3. Step 3: Cross multiply
    31,741.92x = 47,643.84 × 15,113.43
  4. Step 4: Simplify right side
    31,741.92x = 720,061,840.77
  5. Step 5: Solve for x
    x = 720,061,840.77/31,741.92
  6. Step 6: Final answer
    x = 22,684.89

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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.