Home / 51,689.24-77,545.62-18,412.82

Finding the Fourth Proportional to 51,689.24, 77,545.62 and 18,412.82

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Solution

The fourth proportional to 51,689.24, 77,545.62 and 18,412.82 is: 27,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,689.24 : 77,545.62 = 18,412.82 : x
  2. Step 2: Convert to fraction form
    51,689.24/77,545.62 = 18,412.82/x
  3. Step 3: Cross multiply
    51,689.24x = 77,545.62 × 18,412.82
  4. Step 4: Simplify right side
    51,689.24x = 1,427,833,542.85
  5. Step 5: Solve for x
    x = 1,427,833,542.85/51,689.24
  6. Step 6: Final answer
    x = 27,623.42

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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.