Home / 38,107.69-57,162.90-13,148.55

Finding the Fourth Proportional to 38,107.69, 57,162.90 and 13,148.55

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Solution

The fourth proportional to 38,107.69, 57,162.90 and 13,148.55 is: 19,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,107.69 : 57,162.90 = 13,148.55 : x
  2. Step 2: Convert to fraction form
    38,107.69/57,162.90 = 13,148.55/x
  3. Step 3: Cross multiply
    38,107.69x = 57,162.90 × 13,148.55
  4. Step 4: Simplify right side
    38,107.69x = 751,609,248.80
  5. Step 5: Solve for x
    x = 751,609,248.80/38,107.69
  6. Step 6: Final answer
    x = 19,723.30

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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.