Home / 38,819.20-58,178.40-17,998.40

Finding the Fourth Proportional to 38,819.20, 58,178.40 and 17,998.40

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Solution

The fourth proportional to 38,819.20, 58,178.40 and 17,998.40 is: 26,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,819.20 : 58,178.40 = 17,998.40 : x
  2. Step 2: Convert to fraction form
    38,819.20/58,178.40 = 17,998.40/x
  3. Step 3: Cross multiply
    38,819.20x = 58,178.40 × 17,998.40
  4. Step 4: Simplify right side
    38,819.20x = 1,047,118,114.56
  5. Step 5: Solve for x
    x = 1,047,118,114.56/38,819.20
  6. Step 6: Final answer
    x = 26,974.23

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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.