Home / 31,636.12-43,654.80-17,487.04

Finding the Fourth Proportional to 31,636.12, 43,654.80 and 17,487.04

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Solution

The fourth proportional to 31,636.12, 43,654.80 and 17,487.04 is: 24,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,636.12 : 43,654.80 = 17,487.04 : x
  2. Step 2: Convert to fraction form
    31,636.12/43,654.80 = 17,487.04/x
  3. Step 3: Cross multiply
    31,636.12x = 43,654.80 × 17,487.04
  4. Step 4: Simplify right side
    31,636.12x = 763,393,233.79
  5. Step 5: Solve for x
    x = 763,393,233.79/31,636.12
  6. Step 6: Final answer
    x = 24,130.43

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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.