Home / 47,877.86-71,803.42-28,631.04

Finding the Fourth Proportional to 47,877.86, 71,803.42 and 28,631.04

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Solution

The fourth proportional to 47,877.86, 71,803.42 and 28,631.04 is: 42,938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,877.86 : 71,803.42 = 28,631.04 : x
  2. Step 2: Convert to fraction form
    47,877.86/71,803.42 = 28,631.04/x
  3. Step 3: Cross multiply
    47,877.86x = 71,803.42 × 28,631.04
  4. Step 4: Simplify right side
    47,877.86x = 2,055,806,590.16
  5. Step 5: Solve for x
    x = 2,055,806,590.16/47,877.86
  6. Step 6: Final answer
    x = 42,938.56

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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.