Home / 47,438.42-71,149.39-17,856.47

Finding the Fourth Proportional to 47,438.42, 71,149.39 and 17,856.47

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Solution

The fourth proportional to 47,438.42, 71,149.39 and 17,856.47 is: 26,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,438.42 : 71,149.39 = 17,856.47 : x
  2. Step 2: Convert to fraction form
    47,438.42/71,149.39 = 17,856.47/x
  3. Step 3: Cross multiply
    47,438.42x = 71,149.39 × 17,856.47
  4. Step 4: Simplify right side
    47,438.42x = 1,270,477,081.29
  5. Step 5: Solve for x
    x = 1,270,477,081.29/47,438.42
  6. Step 6: Final answer
    x = 26,781.61

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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.