Home / 47,436.10-71,154.15-17,860.57

Finding the Fourth Proportional to 47,436.10, 71,154.15 and 17,860.57

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Solution

The fourth proportional to 47,436.10, 71,154.15 and 17,860.57 is: 26,790.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,436.10 : 71,154.15 = 17,860.57 : x
  2. Step 2: Convert to fraction form
    47,436.10/71,154.15 = 17,860.57/x
  3. Step 3: Cross multiply
    47,436.10x = 71,154.15 × 17,860.57
  4. Step 4: Simplify right side
    47,436.10x = 1,270,853,676.87
  5. Step 5: Solve for x
    x = 1,270,853,676.87/47,436.10
  6. Step 6: Final answer
    x = 26,790.86

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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.