Home / 47,585.75-71,379.12-19,135.87

Finding the Fourth Proportional to 47,585.75, 71,379.12 and 19,135.87

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Solution

The fourth proportional to 47,585.75, 71,379.12 and 19,135.87 is: 28,704.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,585.75 : 71,379.12 = 19,135.87 : x
  2. Step 2: Convert to fraction form
    47,585.75/71,379.12 = 19,135.87/x
  3. Step 3: Cross multiply
    47,585.75x = 71,379.12 × 19,135.87
  4. Step 4: Simplify right side
    47,585.75x = 1,365,901,655.10
  5. Step 5: Solve for x
    x = 1,365,901,655.10/47,585.75
  6. Step 6: Final answer
    x = 28,704.00

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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.