Home / 47,590.20-71,363.70-17,998.20

Finding the Fourth Proportional to 47,590.20, 71,363.70 and 17,998.20

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Solution

The fourth proportional to 47,590.20, 71,363.70 and 17,998.20 is: 26,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,590.20 : 71,363.70 = 17,998.20 : x
  2. Step 2: Convert to fraction form
    47,590.20/71,363.70 = 17,998.20/x
  3. Step 3: Cross multiply
    47,590.20x = 71,363.70 × 17,998.20
  4. Step 4: Simplify right side
    47,590.20x = 1,284,418,145.34
  5. Step 5: Solve for x
    x = 1,284,418,145.34/47,590.20
  6. Step 6: Final answer
    x = 26,989.13

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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.