Home / 31,280.62-43,165.56-17,853.13

Finding the Fourth Proportional to 31,280.62, 43,165.56 and 17,853.13

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Solution

The fourth proportional to 31,280.62, 43,165.56 and 17,853.13 is: 24,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.62 : 43,165.56 = 17,853.13 : x
  2. Step 2: Convert to fraction form
    31,280.62/43,165.56 = 17,853.13/x
  3. Step 3: Cross multiply
    31,280.62x = 43,165.56 × 17,853.13
  4. Step 4: Simplify right side
    31,280.62x = 770,640,354.20
  5. Step 5: Solve for x
    x = 770,640,354.20/31,280.62
  6. Step 6: Final answer
    x = 24,636.35

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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.