Home / 51,695.24-77,550.15-18,408.18

Finding the Fourth Proportional to 51,695.24, 77,550.15 and 18,408.18

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Solution

The fourth proportional to 51,695.24, 77,550.15 and 18,408.18 is: 27,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,695.24 : 77,550.15 = 18,408.18 : x
  2. Step 2: Convert to fraction form
    51,695.24/77,550.15 = 18,408.18/x
  3. Step 3: Cross multiply
    51,695.24x = 77,550.15 × 18,408.18
  4. Step 4: Simplify right side
    51,695.24x = 1,427,557,120.23
  5. Step 5: Solve for x
    x = 1,427,557,120.23/51,695.24
  6. Step 6: Final answer
    x = 27,614.87

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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.