Home / 52,211.78-72,052.33-28,338.46

Finding the Fourth Proportional to 52,211.78, 72,052.33 and 28,338.46

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Solution

The fourth proportional to 52,211.78, 72,052.33 and 28,338.46 is: 39,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.78 : 72,052.33 = 28,338.46 : x
  2. Step 2: Convert to fraction form
    52,211.78/72,052.33 = 28,338.46/x
  3. Step 3: Cross multiply
    52,211.78x = 72,052.33 × 28,338.46
  4. Step 4: Simplify right side
    52,211.78x = 2,041,851,711.35
  5. Step 5: Solve for x
    x = 2,041,851,711.35/52,211.78
  6. Step 6: Final answer
    x = 39,107.11

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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.