Home / 31,293.28-43,185.84-17,146.72

Finding the Fourth Proportional to 31,293.28, 43,185.84 and 17,146.72

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Solution

The fourth proportional to 31,293.28, 43,185.84 and 17,146.72 is: 23,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.28 : 43,185.84 = 17,146.72 : x
  2. Step 2: Convert to fraction form
    31,293.28/43,185.84 = 17,146.72/x
  3. Step 3: Cross multiply
    31,293.28x = 43,185.84 × 17,146.72
  4. Step 4: Simplify right side
    31,293.28x = 740,495,506.44
  5. Step 5: Solve for x
    x = 740,495,506.44/31,293.28
  6. Step 6: Final answer
    x = 23,663.08

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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.