Home / 30,961.92-42,727.36-17,531.88

Finding the Fourth Proportional to 30,961.92, 42,727.36 and 17,531.88

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Solution

The fourth proportional to 30,961.92, 42,727.36 and 17,531.88 is: 24,193.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,961.92 : 42,727.36 = 17,531.88 : x
  2. Step 2: Convert to fraction form
    30,961.92/42,727.36 = 17,531.88/x
  3. Step 3: Cross multiply
    30,961.92x = 42,727.36 × 17,531.88
  4. Step 4: Simplify right side
    30,961.92x = 749,090,948.24
  5. Step 5: Solve for x
    x = 749,090,948.24/30,961.92
  6. Step 6: Final answer
    x = 24,193.94

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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.