Home / 31,397.10-43,328.80-17,250.30

Finding the Fourth Proportional to 31,397.10, 43,328.80 and 17,250.30

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Solution

The fourth proportional to 31,397.10, 43,328.80 and 17,250.30 is: 23,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,397.10 : 43,328.80 = 17,250.30 : x
  2. Step 2: Convert to fraction form
    31,397.10/43,328.80 = 17,250.30/x
  3. Step 3: Cross multiply
    31,397.10x = 43,328.80 × 17,250.30
  4. Step 4: Simplify right side
    31,397.10x = 747,434,798.64
  5. Step 5: Solve for x
    x = 747,434,798.64/31,397.10
  6. Step 6: Final answer
    x = 23,805.85

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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.