Home / 67,867.24-101,807.34-21,107.56

Finding the Fourth Proportional to 67,867.24, 101,807.34 and 21,107.56

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Solution

The fourth proportional to 67,867.24, 101,807.34 and 21,107.56 is: 31,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,867.24 : 101,807.34 = 21,107.56 : x
  2. Step 2: Convert to fraction form
    67,867.24/101,807.34 = 21,107.56/x
  3. Step 3: Cross multiply
    67,867.24x = 101,807.34 × 21,107.56
  4. Step 4: Simplify right side
    67,867.24x = 2,148,904,537.49
  5. Step 5: Solve for x
    x = 2,148,904,537.49/67,867.24
  6. Step 6: Final answer
    x = 31,663.36

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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.