Home / 31,312.32-43,212-17,165.04

Finding the Fourth Proportional to 31,312.32, 43,212 and 17,165.04

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Solution

The fourth proportional to 31,312.32, 43,212 and 17,165.04 is: 23,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,312.32 : 43,212 = 17,165.04 : x
  2. Step 2: Convert to fraction form
    31,312.32/43,212 = 17,165.04/x
  3. Step 3: Cross multiply
    31,312.32x = 43,212 × 17,165.04
  4. Step 4: Simplify right side
    31,312.32x = 741,735,708.48
  5. Step 5: Solve for x
    x = 741,735,708.48/31,312.32
  6. Step 6: Final answer
    x = 23,688.30

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