Home / 47,578.76-71,340.48-17,998.91

Finding the Fourth Proportional to 47,578.76, 71,340.48 and 17,998.91

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Solution

The fourth proportional to 47,578.76, 71,340.48 and 17,998.91 is: 26,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,578.76 : 71,340.48 = 17,998.91 : x
  2. Step 2: Convert to fraction form
    47,578.76/71,340.48 = 17,998.91/x
  3. Step 3: Cross multiply
    47,578.76x = 71,340.48 × 17,998.91
  4. Step 4: Simplify right side
    47,578.76x = 1,284,050,789.70
  5. Step 5: Solve for x
    x = 1,284,050,789.70/47,578.76
  6. Step 6: Final answer
    x = 26,987.90

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1.5x scale

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.