Home / 45,442.06-68,109.71-20,452.85

Finding the Fourth Proportional to 45,442.06, 68,109.71 and 20,452.85

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Solution

The fourth proportional to 45,442.06, 68,109.71 and 20,452.85 is: 30,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,442.06 : 68,109.71 = 20,452.85 : x
  2. Step 2: Convert to fraction form
    45,442.06/68,109.71 = 20,452.85/x
  3. Step 3: Cross multiply
    45,442.06x = 68,109.71 × 20,452.85
  4. Step 4: Simplify right side
    45,442.06x = 1,393,037,992.94
  5. Step 5: Solve for x
    x = 1,393,037,992.94/45,442.06
  6. Step 6: Final answer
    x = 30,655.25

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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.