Home / 52,239.50-78,359.08-18,959.52

Finding the Fourth Proportional to 52,239.50, 78,359.08 and 18,959.52

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Solution

The fourth proportional to 52,239.50, 78,359.08 and 18,959.52 is: 28,439.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,239.50 : 78,359.08 = 18,959.52 : x
  2. Step 2: Convert to fraction form
    52,239.50/78,359.08 = 18,959.52/x
  3. Step 3: Cross multiply
    52,239.50x = 78,359.08 × 18,959.52
  4. Step 4: Simplify right side
    52,239.50x = 1,485,650,544.44
  5. Step 5: Solve for x
    x = 1,485,650,544.44/52,239.50
  6. Step 6: Final answer
    x = 28,439.22

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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.