Home / 30,498.30-42,082.02-17,069.70

Finding the Fourth Proportional to 30,498.30, 42,082.02 and 17,069.70

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Solution

The fourth proportional to 30,498.30, 42,082.02 and 17,069.70 is: 23,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,498.30 : 42,082.02 = 17,069.70 : x
  2. Step 2: Convert to fraction form
    30,498.30/42,082.02 = 17,069.70/x
  3. Step 3: Cross multiply
    30,498.30x = 42,082.02 × 17,069.70
  4. Step 4: Simplify right side
    30,498.30x = 718,327,456.79
  5. Step 5: Solve for x
    x = 718,327,456.79/30,498.30
  6. Step 6: Final answer
    x = 23,553.03

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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.