Home / 31,838.78-43,935.38-17,498.30

Finding the Fourth Proportional to 31,838.78, 43,935.38 and 17,498.30

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Solution

The fourth proportional to 31,838.78, 43,935.38 and 17,498.30 is: 24,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838.78 : 43,935.38 = 17,498.30 : x
  2. Step 2: Convert to fraction form
    31,838.78/43,935.38 = 17,498.30/x
  3. Step 3: Cross multiply
    31,838.78x = 43,935.38 × 17,498.30
  4. Step 4: Simplify right side
    31,838.78x = 768,794,152.69
  5. Step 5: Solve for x
    x = 768,794,152.69/31,838.78
  6. Step 6: Final answer
    x = 24,146.47

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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.