Home / 47,781.86-71,367.23-43,272.20

Finding the Fourth Proportional to 47,781.86, 71,367.23 and 43,272.20

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Solution

The fourth proportional to 47,781.86, 71,367.23 and 43,272.20 is: 64,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,781.86 : 71,367.23 = 43,272.20 : x
  2. Step 2: Convert to fraction form
    47,781.86/71,367.23 = 43,272.20/x
  3. Step 3: Cross multiply
    47,781.86x = 71,367.23 × 43,272.20
  4. Step 4: Simplify right side
    47,781.86x = 3,088,217,050.01
  5. Step 5: Solve for x
    x = 3,088,217,050.01/47,781.86
  6. Step 6: Final answer
    x = 64,631.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.