Home / 52,781.17-72,835.23-28,907.33

Finding the Fourth Proportional to 52,781.17, 72,835.23 and 28,907.33

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Solution

The fourth proportional to 52,781.17, 72,835.23 and 28,907.33 is: 39,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,781.17 : 72,835.23 = 28,907.33 : x
  2. Step 2: Convert to fraction form
    52,781.17/72,835.23 = 28,907.33/x
  3. Step 3: Cross multiply
    52,781.17x = 72,835.23 × 28,907.33
  4. Step 4: Simplify right side
    52,781.17x = 2,105,472,029.24
  5. Step 5: Solve for x
    x = 2,105,472,029.24/52,781.17
  6. Step 6: Final answer
    x = 39,890.59

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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.