Home / 51,769.12-77,634.52-18,480.28

Finding the Fourth Proportional to 51,769.12, 77,634.52 and 18,480.28

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Solution

The fourth proportional to 51,769.12, 77,634.52 and 18,480.28 is: 27,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,769.12 : 77,634.52 = 18,480.28 : x
  2. Step 2: Convert to fraction form
    51,769.12/77,634.52 = 18,480.28/x
  3. Step 3: Cross multiply
    51,769.12x = 77,634.52 × 18,480.28
  4. Step 4: Simplify right side
    51,769.12x = 1,434,707,667.27
  5. Step 5: Solve for x
    x = 1,434,707,667.27/51,769.12
  6. Step 6: Final answer
    x = 27,713.58

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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.