Home / 47,891.94-71,837.76-21,565.86

Finding the Fourth Proportional to 47,891.94, 71,837.76 and 21,565.86

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Solution

The fourth proportional to 47,891.94, 71,837.76 and 21,565.86 is: 32,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,891.94 : 71,837.76 = 21,565.86 : x
  2. Step 2: Convert to fraction form
    47,891.94/71,837.76 = 21,565.86/x
  3. Step 3: Cross multiply
    47,891.94x = 71,837.76 × 21,565.86
  4. Step 4: Simplify right side
    47,891.94x = 1,549,243,074.87
  5. Step 5: Solve for x
    x = 1,549,243,074.87/47,891.94
  6. Step 6: Final answer
    x = 32,348.72

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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.