Home / 30,655.82-42,306.97-17,045.39

Finding the Fourth Proportional to 30,655.82, 42,306.97 and 17,045.39

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Solution

The fourth proportional to 30,655.82, 42,306.97 and 17,045.39 is: 23,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655.82 : 42,306.97 = 17,045.39 : x
  2. Step 2: Convert to fraction form
    30,655.82/42,306.97 = 17,045.39/x
  3. Step 3: Cross multiply
    30,655.82x = 42,306.97 × 17,045.39
  4. Step 4: Simplify right side
    30,655.82x = 721,138,549.22
  5. Step 5: Solve for x
    x = 721,138,549.22/30,655.82
  6. Step 6: Final answer
    x = 23,523.71

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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.