Home / 31,449.42-43,400.20-17,302.18

Finding the Fourth Proportional to 31,449.42, 43,400.20 and 17,302.18

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Solution

The fourth proportional to 31,449.42, 43,400.20 and 17,302.18 is: 23,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449.42 : 43,400.20 = 17,302.18 : x
  2. Step 2: Convert to fraction form
    31,449.42/43,400.20 = 17,302.18/x
  3. Step 3: Cross multiply
    31,449.42x = 43,400.20 × 17,302.18
  4. Step 4: Simplify right side
    31,449.42x = 750,918,072.44
  5. Step 5: Solve for x
    x = 750,918,072.44/31,449.42
  6. Step 6: Final answer
    x = 23,877.01

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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.