Home / 47,439.90-71,105.07-17,838.86

Finding the Fourth Proportional to 47,439.90, 71,105.07 and 17,838.86

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Solution

The fourth proportional to 47,439.90, 71,105.07 and 17,838.86 is: 26,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,439.90 : 71,105.07 = 17,838.86 : x
  2. Step 2: Convert to fraction form
    47,439.90/71,105.07 = 17,838.86/x
  3. Step 3: Cross multiply
    47,439.90x = 71,105.07 × 17,838.86
  4. Step 4: Simplify right side
    47,439.90x = 1,268,433,033.49
  5. Step 5: Solve for x
    x = 1,268,433,033.49/47,439.90
  6. Step 6: Final answer
    x = 26,737.68

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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.