Home / 34,339.64-51,422.34-28,778.36

Finding the Fourth Proportional to 34,339.64, 51,422.34 and 28,778.36

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Solution

The fourth proportional to 34,339.64, 51,422.34 and 28,778.36 is: 43,094.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,339.64 : 51,422.34 = 28,778.36 : x
  2. Step 2: Convert to fraction form
    34,339.64/51,422.34 = 28,778.36/x
  3. Step 3: Cross multiply
    34,339.64x = 51,422.34 × 28,778.36
  4. Step 4: Simplify right side
    34,339.64x = 1,479,850,612.56
  5. Step 5: Solve for x
    x = 1,479,850,612.56/34,339.64
  6. Step 6: Final answer
    x = 43,094.53

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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.