Home / 51,760.64-77,657.36-18,479.97

Finding the Fourth Proportional to 51,760.64, 77,657.36 and 18,479.97

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Solution

The fourth proportional to 51,760.64, 77,657.36 and 18,479.97 is: 27,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,760.64 : 77,657.36 = 18,479.97 : x
  2. Step 2: Convert to fraction form
    51,760.64/77,657.36 = 18,479.97/x
  3. Step 3: Cross multiply
    51,760.64x = 77,657.36 × 18,479.97
  4. Step 4: Simplify right side
    51,760.64x = 1,435,105,683.08
  5. Step 5: Solve for x
    x = 1,435,105,683.08/51,760.64
  6. Step 6: Final answer
    x = 27,725.81

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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.