Home / 31,304.96-43,175.68-27,520.10

Finding the Fourth Proportional to 31,304.96, 43,175.68 and 27,520.10

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Solution

The fourth proportional to 31,304.96, 43,175.68 and 27,520.10 is: 37,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.96 : 43,175.68 = 27,520.10 : x
  2. Step 2: Convert to fraction form
    31,304.96/43,175.68 = 27,520.10/x
  3. Step 3: Cross multiply
    31,304.96x = 43,175.68 × 27,520.10
  4. Step 4: Simplify right side
    31,304.96x = 1,188,199,031.17
  5. Step 5: Solve for x
    x = 1,188,199,031.17/31,304.96
  6. Step 6: Final answer
    x = 37,955.62

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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.