Home / 38,691.24-58,014.16-12,382.44

Finding the Fourth Proportional to 38,691.24, 58,014.16 and 12,382.44

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Solution

The fourth proportional to 38,691.24, 58,014.16 and 12,382.44 is: 18,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,691.24 : 58,014.16 = 12,382.44 : x
  2. Step 2: Convert to fraction form
    38,691.24/58,014.16 = 12,382.44/x
  3. Step 3: Cross multiply
    38,691.24x = 58,014.16 × 12,382.44
  4. Step 4: Simplify right side
    38,691.24x = 718,356,855.35
  5. Step 5: Solve for x
    x = 718,356,855.35/38,691.24
  6. Step 6: Final answer
    x = 18,566.40

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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.