Home / 31,335.71-43,246.39-17,908.90

Finding the Fourth Proportional to 31,335.71, 43,246.39 and 17,908.90

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Solution

The fourth proportional to 31,335.71, 43,246.39 and 17,908.90 is: 24,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.71 : 43,246.39 = 17,908.90 : x
  2. Step 2: Convert to fraction form
    31,335.71/43,246.39 = 17,908.90/x
  3. Step 3: Cross multiply
    31,335.71x = 43,246.39 × 17,908.90
  4. Step 4: Simplify right side
    31,335.71x = 774,495,154.56
  5. Step 5: Solve for x
    x = 774,495,154.56/31,335.71
  6. Step 6: Final answer
    x = 24,716.06

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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.