Home / 47,391.08-71,086.42-19,304.87

Finding the Fourth Proportional to 47,391.08, 71,086.42 and 19,304.87

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Solution

The fourth proportional to 47,391.08, 71,086.42 and 19,304.87 is: 28,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,391.08 : 71,086.42 = 19,304.87 : x
  2. Step 2: Convert to fraction form
    47,391.08/71,086.42 = 19,304.87/x
  3. Step 3: Cross multiply
    47,391.08x = 71,086.42 × 19,304.87
  4. Step 4: Simplify right side
    47,391.08x = 1,372,314,226.32
  5. Step 5: Solve for x
    x = 1,372,314,226.32/47,391.08
  6. Step 6: Final answer
    x = 28,957.22

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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.