Home / 51,589.28-77,381.76-16,528.16

Finding the Fourth Proportional to 51,589.28, 77,381.76 and 16,528.16

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Solution

The fourth proportional to 51,589.28, 77,381.76 and 16,528.16 is: 24,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,589.28 : 77,381.76 = 16,528.16 : x
  2. Step 2: Convert to fraction form
    51,589.28/77,381.76 = 16,528.16/x
  3. Step 3: Cross multiply
    51,589.28x = 77,381.76 × 16,528.16
  4. Step 4: Simplify right side
    51,589.28x = 1,278,978,110.36
  5. Step 5: Solve for x
    x = 1,278,978,110.36/51,589.28
  6. Step 6: Final answer
    x = 24,791.55

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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.