Home / 38,330.88-57,504.80-13,369.92

Finding the Fourth Proportional to 38,330.88, 57,504.80 and 13,369.92

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Solution

The fourth proportional to 38,330.88, 57,504.80 and 13,369.92 is: 20,057.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330.88 : 57,504.80 = 13,369.92 : x
  2. Step 2: Convert to fraction form
    38,330.88/57,504.80 = 13,369.92/x
  3. Step 3: Cross multiply
    38,330.88x = 57,504.80 × 13,369.92
  4. Step 4: Simplify right side
    38,330.88x = 768,834,575.62
  5. Step 5: Solve for x
    x = 768,834,575.62/38,330.88
  6. Step 6: Final answer
    x = 20,057.84

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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.