Home / 51,444.11-77,169.13-19,854.33

Finding the Fourth Proportional to 51,444.11, 77,169.13 and 19,854.33

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Solution

The fourth proportional to 51,444.11, 77,169.13 and 19,854.33 is: 29,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,444.11 : 77,169.13 = 19,854.33 : x
  2. Step 2: Convert to fraction form
    51,444.11/77,169.13 = 19,854.33/x
  3. Step 3: Cross multiply
    51,444.11x = 77,169.13 × 19,854.33
  4. Step 4: Simplify right side
    51,444.11x = 1,532,141,273.56
  5. Step 5: Solve for x
    x = 1,532,141,273.56/51,444.11
  6. Step 6: Final answer
    x = 29,782.64

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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.