Home / 51,708.78-77,544.54-22,128.66

Finding the Fourth Proportional to 51,708.78, 77,544.54 and 22,128.66

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Solution

The fourth proportional to 51,708.78, 77,544.54 and 22,128.66 is: 33,185.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,708.78 : 77,544.54 = 22,128.66 : x
  2. Step 2: Convert to fraction form
    51,708.78/77,544.54 = 22,128.66/x
  3. Step 3: Cross multiply
    51,708.78x = 77,544.54 × 22,128.66
  4. Step 4: Simplify right side
    51,708.78x = 1,715,956,760.52
  5. Step 5: Solve for x
    x = 1,715,956,760.52/51,708.78
  6. Step 6: Final answer
    x = 33,185.02

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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.