Home / 31,285.04-43,177.46-17,853.21

Finding the Fourth Proportional to 31,285.04, 43,177.46 and 17,853.21

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Solution

The fourth proportional to 31,285.04, 43,177.46 and 17,853.21 is: 24,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285.04 : 43,177.46 = 17,853.21 : x
  2. Step 2: Convert to fraction form
    31,285.04/43,177.46 = 17,853.21/x
  3. Step 3: Cross multiply
    31,285.04x = 43,177.46 × 17,853.21
  4. Step 4: Simplify right side
    31,285.04x = 770,856,171.38
  5. Step 5: Solve for x
    x = 770,856,171.38/31,285.04
  6. Step 6: Final answer
    x = 24,639.77

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Double scale
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Similar ratio
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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.