Home / 67,184.48-92,704.80-40,321.28

Finding the Fourth Proportional to 67,184.48, 92,704.80 and 40,321.28

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Solution

The fourth proportional to 67,184.48, 92,704.80 and 40,321.28 is: 55,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,184.48 : 92,704.80 = 40,321.28 : x
  2. Step 2: Convert to fraction form
    67,184.48/92,704.80 = 40,321.28/x
  3. Step 3: Cross multiply
    67,184.48x = 92,704.80 × 40,321.28
  4. Step 4: Simplify right side
    67,184.48x = 3,737,976,198.14
  5. Step 5: Solve for x
    x = 3,737,976,198.14/67,184.48
  6. Step 6: Final answer
    x = 55,637.50

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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.