Home / 31,449.40-43,399.02-17,302.12

Finding the Fourth Proportional to 31,449.40, 43,399.02 and 17,302.12

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Solution

The fourth proportional to 31,449.40, 43,399.02 and 17,302.12 is: 23,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449.40 : 43,399.02 = 17,302.12 : x
  2. Step 2: Convert to fraction form
    31,449.40/43,399.02 = 17,302.12/x
  3. Step 3: Cross multiply
    31,449.40x = 43,399.02 × 17,302.12
  4. Step 4: Simplify right side
    31,449.40x = 750,895,051.92
  5. Step 5: Solve for x
    x = 750,895,051.92/31,449.40
  6. Step 6: Final answer
    x = 23,876.29

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1.5x scale

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.