Home / 30,610.44-42,242.28-17,872.38

Finding the Fourth Proportional to 30,610.44, 42,242.28 and 17,872.38

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Solution

The fourth proportional to 30,610.44, 42,242.28 and 17,872.38 is: 24,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610.44 : 42,242.28 = 17,872.38 : x
  2. Step 2: Convert to fraction form
    30,610.44/42,242.28 = 17,872.38/x
  3. Step 3: Cross multiply
    30,610.44x = 42,242.28 × 17,872.38
  4. Step 4: Simplify right side
    30,610.44x = 754,970,080.23
  5. Step 5: Solve for x
    x = 754,970,080.23/30,610.44
  6. Step 6: Final answer
    x = 24,663.81

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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.