Home / 45,365.38-68,063.68-20,422.94

Finding the Fourth Proportional to 45,365.38, 68,063.68 and 20,422.94

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Solution

The fourth proportional to 45,365.38, 68,063.68 and 20,422.94 is: 30,641.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,365.38 : 68,063.68 = 20,422.94 : x
  2. Step 2: Convert to fraction form
    45,365.38/68,063.68 = 20,422.94/x
  3. Step 3: Cross multiply
    45,365.38x = 68,063.68 × 20,422.94
  4. Step 4: Simplify right side
    45,365.38x = 1,390,060,452.82
  5. Step 5: Solve for x
    x = 1,390,060,452.82/45,365.38
  6. Step 6: Final answer
    x = 30,641.44

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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.