Home / 38,820.86-58,189.78-20,082.04

Finding the Fourth Proportional to 38,820.86, 58,189.78 and 20,082.04

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Solution

The fourth proportional to 38,820.86, 58,189.78 and 20,082.04 is: 30,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820.86 : 58,189.78 = 20,082.04 : x
  2. Step 2: Convert to fraction form
    38,820.86/58,189.78 = 20,082.04/x
  3. Step 3: Cross multiply
    38,820.86x = 58,189.78 × 20,082.04
  4. Step 4: Simplify right side
    38,820.86x = 1,168,569,489.55
  5. Step 5: Solve for x
    x = 1,168,569,489.55/38,820.86
  6. Step 6: Final answer
    x = 30,101.59

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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.