Home / 56,491.79-84,687.33-21,456.05

Finding the Fourth Proportional to 56,491.79, 84,687.33 and 21,456.05

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Solution

The fourth proportional to 56,491.79, 84,687.33 and 21,456.05 is: 32,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,491.79 : 84,687.33 = 21,456.05 : x
  2. Step 2: Convert to fraction form
    56,491.79/84,687.33 = 21,456.05/x
  3. Step 3: Cross multiply
    56,491.79x = 84,687.33 × 21,456.05
  4. Step 4: Simplify right side
    56,491.79x = 1,817,055,586.85
  5. Step 5: Solve for x
    x = 1,817,055,586.85/56,491.79
  6. Step 6: Final answer
    x = 32,164.95

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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.