Home / 31,385.46-43,311.78-17,045.19

Finding the Fourth Proportional to 31,385.46, 43,311.78 and 17,045.19

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Solution

The fourth proportional to 31,385.46, 43,311.78 and 17,045.19 is: 23,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,385.46 : 43,311.78 = 17,045.19 : x
  2. Step 2: Convert to fraction form
    31,385.46/43,311.78 = 17,045.19/x
  3. Step 3: Cross multiply
    31,385.46x = 43,311.78 × 17,045.19
  4. Step 4: Simplify right side
    31,385.46x = 738,257,519.34
  5. Step 5: Solve for x
    x = 738,257,519.34/31,385.46
  6. Step 6: Final answer
    x = 23,522.28

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Half scale
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Double scale
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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.