Home / 31,465.62-43,423.38-17,126.40

Finding the Fourth Proportional to 31,465.62, 43,423.38 and 17,126.40

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Solution

The fourth proportional to 31,465.62, 43,423.38 and 17,126.40 is: 23,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.62 : 43,423.38 = 17,126.40 : x
  2. Step 2: Convert to fraction form
    31,465.62/43,423.38 = 17,126.40/x
  3. Step 3: Cross multiply
    31,465.62x = 43,423.38 × 17,126.40
  4. Step 4: Simplify right side
    31,465.62x = 743,686,175.23
  5. Step 5: Solve for x
    x = 743,686,175.23/31,465.62
  6. Step 6: Final answer
    x = 23,634.88

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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.