Home / 38,715.56-58,067.87-12,416.88

Finding the Fourth Proportional to 38,715.56, 58,067.87 and 12,416.88

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Solution

The fourth proportional to 38,715.56, 58,067.87 and 12,416.88 is: 18,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,715.56 : 58,067.87 = 12,416.88 : x
  2. Step 2: Convert to fraction form
    38,715.56/58,067.87 = 12,416.88/x
  3. Step 3: Cross multiply
    38,715.56x = 58,067.87 × 12,416.88
  4. Step 4: Simplify right side
    38,715.56x = 721,021,773.65
  5. Step 5: Solve for x
    x = 721,021,773.65/38,715.56
  6. Step 6: Final answer
    x = 18,623.57

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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.