Home / 67,642.44-101,476.38-20,884.36

Finding the Fourth Proportional to 67,642.44, 101,476.38 and 20,884.36

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Solution

The fourth proportional to 67,642.44, 101,476.38 and 20,884.36 is: 31,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,642.44 : 101,476.38 = 20,884.36 : x
  2. Step 2: Convert to fraction form
    67,642.44/101,476.38 = 20,884.36/x
  3. Step 3: Cross multiply
    67,642.44x = 101,476.38 × 20,884.36
  4. Step 4: Simplify right side
    67,642.44x = 2,119,269,251.42
  5. Step 5: Solve for x
    x = 2,119,269,251.42/67,642.44
  6. Step 6: Final answer
    x = 31,330.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.