Home / 56,397.66-84,563.70-21,340.02

Finding the Fourth Proportional to 56,397.66, 84,563.70 and 21,340.02

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Solution

The fourth proportional to 56,397.66, 84,563.70 and 21,340.02 is: 31,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,397.66 : 84,563.70 = 21,340.02 : x
  2. Step 2: Convert to fraction form
    56,397.66/84,563.70 = 21,340.02/x
  3. Step 3: Cross multiply
    56,397.66x = 84,563.70 × 21,340.02
  4. Step 4: Simplify right side
    56,397.66x = 1,804,591,049.27
  5. Step 5: Solve for x
    x = 1,804,591,049.27/56,397.66
  6. Step 6: Final answer
    x = 31,997.62

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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.