Home / 38,288.68-57,447.42-13,330.60

Finding the Fourth Proportional to 38,288.68, 57,447.42 and 13,330.60

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Solution

The fourth proportional to 38,288.68, 57,447.42 and 13,330.60 is: 20,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288.68 : 57,447.42 = 13,330.60 : x
  2. Step 2: Convert to fraction form
    38,288.68/57,447.42 = 13,330.60/x
  3. Step 3: Cross multiply
    38,288.68x = 57,447.42 × 13,330.60
  4. Step 4: Simplify right side
    38,288.68x = 765,808,577.05
  5. Step 5: Solve for x
    x = 765,808,577.05/38,288.68
  6. Step 6: Final answer
    x = 20,000.91

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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.