Home / 45,305.13-67,952.40-12,027.78

Finding the Fourth Proportional to 45,305.13, 67,952.40 and 12,027.78

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Solution

The fourth proportional to 45,305.13, 67,952.40 and 12,027.78 is: 18,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,305.13 : 67,952.40 = 12,027.78 : x
  2. Step 2: Convert to fraction form
    45,305.13/67,952.40 = 12,027.78/x
  3. Step 3: Cross multiply
    45,305.13x = 67,952.40 × 12,027.78
  4. Step 4: Simplify right side
    45,305.13x = 817,316,517.67
  5. Step 5: Solve for x
    x = 817,316,517.67/45,305.13
  6. Step 6: Final answer
    x = 18,040.26

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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.