Home / 38,988.14-58,468.41-12,687.98

Finding the Fourth Proportional to 38,988.14, 58,468.41 and 12,687.98

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Solution

The fourth proportional to 38,988.14, 58,468.41 and 12,687.98 is: 19,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988.14 : 58,468.41 = 12,687.98 : x
  2. Step 2: Convert to fraction form
    38,988.14/58,468.41 = 12,687.98/x
  3. Step 3: Cross multiply
    38,988.14x = 58,468.41 × 12,687.98
  4. Step 4: Simplify right side
    38,988.14x = 741,846,016.71
  5. Step 5: Solve for x
    x = 741,846,016.71/38,988.14
  6. Step 6: Final answer
    x = 19,027.48

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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.