Home / 68,451.50-94,465.10-38,238.10

Finding the Fourth Proportional to 68,451.50, 94,465.10 and 38,238.10

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Solution

The fourth proportional to 68,451.50, 94,465.10 and 38,238.10 is: 52,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,451.50 : 94,465.10 = 38,238.10 : x
  2. Step 2: Convert to fraction form
    68,451.50/94,465.10 = 38,238.10/x
  3. Step 3: Cross multiply
    68,451.50x = 94,465.10 × 38,238.10
  4. Step 4: Simplify right side
    68,451.50x = 3,612,165,940.31
  5. Step 5: Solve for x
    x = 3,612,165,940.31/68,451.50
  6. Step 6: Final answer
    x = 52,769.71

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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.