Home / 38,374.12-57,454.89-19,613.75

Finding the Fourth Proportional to 38,374.12, 57,454.89 and 19,613.75

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Solution

The fourth proportional to 38,374.12, 57,454.89 and 19,613.75 is: 29,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,374.12 : 57,454.89 = 19,613.75 : x
  2. Step 2: Convert to fraction form
    38,374.12/57,454.89 = 19,613.75/x
  3. Step 3: Cross multiply
    38,374.12x = 57,454.89 × 19,613.75
  4. Step 4: Simplify right side
    38,374.12x = 1,126,905,848.74
  5. Step 5: Solve for x
    x = 1,126,905,848.74/38,374.12
  6. Step 6: Final answer
    x = 29,366.30

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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.