Home / 47,519.87-71,205.89-17,921.52

Finding the Fourth Proportional to 47,519.87, 71,205.89 and 17,921.52

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Solution

The fourth proportional to 47,519.87, 71,205.89 and 17,921.52 is: 26,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,519.87 : 71,205.89 = 17,921.52 : x
  2. Step 2: Convert to fraction form
    47,519.87/71,205.89 = 17,921.52/x
  3. Step 3: Cross multiply
    47,519.87x = 71,205.89 × 17,921.52
  4. Step 4: Simplify right side
    47,519.87x = 1,276,117,692.15
  5. Step 5: Solve for x
    x = 1,276,117,692.15/47,519.87
  6. Step 6: Final answer
    x = 26,854.40

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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.