Home / 29,568.87-40,805.16-16,140.42

Finding the Fourth Proportional to 29,568.87, 40,805.16 and 16,140.42

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Solution

The fourth proportional to 29,568.87, 40,805.16 and 16,140.42 is: 22,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,568.87 : 40,805.16 = 16,140.42 : x
  2. Step 2: Convert to fraction form
    29,568.87/40,805.16 = 16,140.42/x
  3. Step 3: Cross multiply
    29,568.87x = 40,805.16 × 16,140.42
  4. Step 4: Simplify right side
    29,568.87x = 658,612,420.57
  5. Step 5: Solve for x
    x = 658,612,420.57/29,568.87
  6. Step 6: Final answer
    x = 22,273.84

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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.