Home / 30,982.55-42,756.45-17,553.47

Finding the Fourth Proportional to 30,982.55, 42,756.45 and 17,553.47

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Solution

The fourth proportional to 30,982.55, 42,756.45 and 17,553.47 is: 24,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.55 : 42,756.45 = 17,553.47 : x
  2. Step 2: Convert to fraction form
    30,982.55/42,756.45 = 17,553.47/x
  3. Step 3: Cross multiply
    30,982.55x = 42,756.45 × 17,553.47
  4. Step 4: Simplify right side
    30,982.55x = 750,524,062.38
  5. Step 5: Solve for x
    x = 750,524,062.38/30,982.55
  6. Step 6: Final answer
    x = 24,224.09

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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.