Home / 38,556.60-57,921.30-36,982.20

Finding the Fourth Proportional to 38,556.60, 57,921.30 and 36,982.20

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Solution

The fourth proportional to 38,556.60, 57,921.30 and 36,982.20 is: 55,556.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,556.60 : 57,921.30 = 36,982.20 : x
  2. Step 2: Convert to fraction form
    38,556.60/57,921.30 = 36,982.20/x
  3. Step 3: Cross multiply
    38,556.60x = 57,921.30 × 36,982.20
  4. Step 4: Simplify right side
    38,556.60x = 2,142,057,100.86
  5. Step 5: Solve for x
    x = 2,142,057,100.86/38,556.60
  6. Step 6: Final answer
    x = 55,556.17

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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.