Home / 68,316.20-94,278.70-39,633.69

Finding the Fourth Proportional to 68,316.20, 94,278.70 and 39,633.69

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Solution

The fourth proportional to 68,316.20, 94,278.70 and 39,633.69 is: 54,695.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,316.20 : 94,278.70 = 39,633.69 : x
  2. Step 2: Convert to fraction form
    68,316.20/94,278.70 = 39,633.69/x
  3. Step 3: Cross multiply
    68,316.20x = 94,278.70 × 39,633.69
  4. Step 4: Simplify right side
    68,316.20x = 3,736,612,769.40
  5. Step 5: Solve for x
    x = 3,736,612,769.40/68,316.20
  6. Step 6: Final answer
    x = 54,695.85

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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.