Home / 54,327.13-81,491.70-16,886.90

Finding the Fourth Proportional to 54,327.13, 81,491.70 and 16,886.90

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Solution

The fourth proportional to 54,327.13, 81,491.70 and 16,886.90 is: 25,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.13 : 81,491.70 = 16,886.90 : x
  2. Step 2: Convert to fraction form
    54,327.13/81,491.70 = 16,886.90/x
  3. Step 3: Cross multiply
    54,327.13x = 81,491.70 × 16,886.90
  4. Step 4: Simplify right side
    54,327.13x = 1,376,142,188.73
  5. Step 5: Solve for x
    x = 1,376,142,188.73/54,327.13
  6. Step 6: Final answer
    x = 25,330.66

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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.