Home / 52,855.92-72,941.19-28,982.10

Finding the Fourth Proportional to 52,855.92, 72,941.19 and 28,982.10

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Solution

The fourth proportional to 52,855.92, 72,941.19 and 28,982.10 is: 39,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,855.92 : 72,941.19 = 28,982.10 : x
  2. Step 2: Convert to fraction form
    52,855.92/72,941.19 = 28,982.10/x
  3. Step 3: Cross multiply
    52,855.92x = 72,941.19 × 28,982.10
  4. Step 4: Simplify right side
    52,855.92x = 2,113,988,862.70
  5. Step 5: Solve for x
    x = 2,113,988,862.70/52,855.92
  6. Step 6: Final answer
    x = 39,995.31

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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.