Home / 67,192.32-100,759.38-20,434.32

Finding the Fourth Proportional to 67,192.32, 100,759.38 and 20,434.32

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Solution

The fourth proportional to 67,192.32, 100,759.38 and 20,434.32 is: 30,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,192.32 : 100,759.38 = 20,434.32 : x
  2. Step 2: Convert to fraction form
    67,192.32/100,759.38 = 20,434.32/x
  3. Step 3: Cross multiply
    67,192.32x = 100,759.38 × 20,434.32
  4. Step 4: Simplify right side
    67,192.32x = 2,058,949,413.92
  5. Step 5: Solve for x
    x = 2,058,949,413.92/67,192.32
  6. Step 6: Final answer
    x = 30,642.63

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1.5x scale

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.