Home / 31,855.64-43,959.17-17,708.18

Finding the Fourth Proportional to 31,855.64, 43,959.17 and 17,708.18

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Solution

The fourth proportional to 31,855.64, 43,959.17 and 17,708.18 is: 24,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,855.64 : 43,959.17 = 17,708.18 : x
  2. Step 2: Convert to fraction form
    31,855.64/43,959.17 = 17,708.18/x
  3. Step 3: Cross multiply
    31,855.64x = 43,959.17 × 17,708.18
  4. Step 4: Simplify right side
    31,855.64x = 778,436,719.49
  5. Step 5: Solve for x
    x = 778,436,719.49/31,855.64
  6. Step 6: Final answer
    x = 24,436.39

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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.