Home / 45,356.10-68,034.30-13,766.42

Finding the Fourth Proportional to 45,356.10, 68,034.30 and 13,766.42

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Solution

The fourth proportional to 45,356.10, 68,034.30 and 13,766.42 is: 20,649.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,356.10 : 68,034.30 = 13,766.42 : x
  2. Step 2: Convert to fraction form
    45,356.10/68,034.30 = 13,766.42/x
  3. Step 3: Cross multiply
    45,356.10x = 68,034.30 × 13,766.42
  4. Step 4: Simplify right side
    45,356.10x = 936,588,748.21
  5. Step 5: Solve for x
    x = 936,588,748.21/45,356.10
  6. Step 6: Final answer
    x = 20,649.68

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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.