Home / 52,764.48-72,813.30-28,889.73

Finding the Fourth Proportional to 52,764.48, 72,813.30 and 28,889.73

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Solution

The fourth proportional to 52,764.48, 72,813.30 and 28,889.73 is: 39,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,764.48 : 72,813.30 = 28,889.73 : x
  2. Step 2: Convert to fraction form
    52,764.48/72,813.30 = 28,889.73/x
  3. Step 3: Cross multiply
    52,764.48x = 72,813.30 × 28,889.73
  4. Step 4: Simplify right side
    52,764.48x = 2,103,556,577.41
  5. Step 5: Solve for x
    x = 2,103,556,577.41/52,764.48
  6. Step 6: Final answer
    x = 39,866.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.