Home / 30,676.60-42,338.19-17,248.96

Finding the Fourth Proportional to 30,676.60, 42,338.19 and 17,248.96

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Solution

The fourth proportional to 30,676.60, 42,338.19 and 17,248.96 is: 23,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676.60 : 42,338.19 = 17,248.96 : x
  2. Step 2: Convert to fraction form
    30,676.60/42,338.19 = 17,248.96/x
  3. Step 3: Cross multiply
    30,676.60x = 42,338.19 × 17,248.96
  4. Step 4: Simplify right side
    30,676.60x = 730,289,745.78
  5. Step 5: Solve for x
    x = 730,289,745.78/30,676.60
  6. Step 6: Final answer
    x = 23,806.08

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Half 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.