Home / 31,281.92-43,170.24-17,855.36

Finding the Fourth Proportional to 31,281.92, 43,170.24 and 17,855.36

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Solution

The fourth proportional to 31,281.92, 43,170.24 and 17,855.36 is: 24,641.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.92 : 43,170.24 = 17,855.36 : x
  2. Step 2: Convert to fraction form
    31,281.92/43,170.24 = 17,855.36/x
  3. Step 3: Cross multiply
    31,281.92x = 43,170.24 × 17,855.36
  4. Step 4: Simplify right side
    31,281.92x = 770,820,176.49
  5. Step 5: Solve for x
    x = 770,820,176.49/31,281.92
  6. Step 6: Final answer
    x = 24,641.08

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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.