Home / 67,252.32-100,878.48-20,504.79

Finding the Fourth Proportional to 67,252.32, 100,878.48 and 20,504.79

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Solution

The fourth proportional to 67,252.32, 100,878.48 and 20,504.79 is: 30,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,252.32 : 100,878.48 = 20,504.79 : x
  2. Step 2: Convert to fraction form
    67,252.32/100,878.48 = 20,504.79/x
  3. Step 3: Cross multiply
    67,252.32x = 100,878.48 × 20,504.79
  4. Step 4: Simplify right side
    67,252.32x = 2,068,492,047.92
  5. Step 5: Solve for x
    x = 2,068,492,047.92/67,252.32
  6. Step 6: Final answer
    x = 30,757.19

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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.