Home / 31,266.30-43,167.15-19,336.35

Finding the Fourth Proportional to 31,266.30, 43,167.15 and 19,336.35

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Solution

The fourth proportional to 31,266.30, 43,167.15 and 19,336.35 is: 26,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.30 : 43,167.15 = 19,336.35 : x
  2. Step 2: Convert to fraction form
    31,266.30/43,167.15 = 19,336.35/x
  3. Step 3: Cross multiply
    31,266.30x = 43,167.15 × 19,336.35
  4. Step 4: Simplify right side
    31,266.30x = 834,695,120.90
  5. Step 5: Solve for x
    x = 834,695,120.90/31,266.30
  6. Step 6: Final answer
    x = 26,696.32

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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.