Home / 67,529.32-101,304.92-20,782.19

Finding the Fourth Proportional to 67,529.32, 101,304.92 and 20,782.19

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Solution

The fourth proportional to 67,529.32, 101,304.92 and 20,782.19 is: 31,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,529.32 : 101,304.92 = 20,782.19 : x
  2. Step 2: Convert to fraction form
    67,529.32/101,304.92 = 20,782.19/x
  3. Step 3: Cross multiply
    67,529.32x = 101,304.92 × 20,782.19
  4. Step 4: Simplify right side
    67,529.32x = 2,105,338,400.59
  5. Step 5: Solve for x
    x = 2,105,338,400.59/67,529.32
  6. Step 6: Final answer
    x = 31,176.66

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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.