Home / 38,748.92-58,116.56-10,662.20

Finding the Fourth Proportional to 38,748.92, 58,116.56 and 10,662.20

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Solution

The fourth proportional to 38,748.92, 58,116.56 and 10,662.20 is: 15,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,748.92 : 58,116.56 = 10,662.20 : x
  2. Step 2: Convert to fraction form
    38,748.92/58,116.56 = 10,662.20/x
  3. Step 3: Cross multiply
    38,748.92x = 58,116.56 × 10,662.20
  4. Step 4: Simplify right side
    38,748.92x = 619,650,042.14
  5. Step 5: Solve for x
    x = 619,650,042.14/38,748.92
  6. Step 6: Final answer
    x = 15,991.42

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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.