Home / 45,753.14-68,651.58-25,778.54

Finding the Fourth Proportional to 45,753.14, 68,651.58 and 25,778.54

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Solution

The fourth proportional to 45,753.14, 68,651.58 and 25,778.54 is: 38,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,753.14 : 68,651.58 = 25,778.54 : x
  2. Step 2: Convert to fraction form
    45,753.14/68,651.58 = 25,778.54/x
  3. Step 3: Cross multiply
    45,753.14x = 68,651.58 × 25,778.54
  4. Step 4: Simplify right side
    45,753.14x = 1,769,737,501.09
  5. Step 5: Solve for x
    x = 1,769,737,501.09/45,753.14
  6. Step 6: Final answer
    x = 38,680.13

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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.