Home / 38,956.99-58,414.68-20,218.15

Finding the Fourth Proportional to 38,956.99, 58,414.68 and 20,218.15

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Solution

The fourth proportional to 38,956.99, 58,414.68 and 20,218.15 is: 30,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,956.99 : 58,414.68 = 20,218.15 : x
  2. Step 2: Convert to fraction form
    38,956.99/58,414.68 = 20,218.15/x
  3. Step 3: Cross multiply
    38,956.99x = 58,414.68 × 20,218.15
  4. Step 4: Simplify right side
    38,956.99x = 1,181,036,762.44
  5. Step 5: Solve for x
    x = 1,181,036,762.44/38,956.99
  6. Step 6: Final answer
    x = 30,316.43

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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.