Home / 31,655.22-43,685.08-17,508.96

Finding the Fourth Proportional to 31,655.22, 43,685.08 and 17,508.96

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Solution

The fourth proportional to 31,655.22, 43,685.08 and 17,508.96 is: 24,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,655.22 : 43,685.08 = 17,508.96 : x
  2. Step 2: Convert to fraction form
    31,655.22/43,685.08 = 17,508.96/x
  3. Step 3: Cross multiply
    31,655.22x = 43,685.08 × 17,508.96
  4. Step 4: Simplify right side
    31,655.22x = 764,880,318.32
  5. Step 5: Solve for x
    x = 764,880,318.32/31,655.22
  6. Step 6: Final answer
    x = 24,162.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.