Home / 52,304.70-72,181.22-28,431.38

Finding the Fourth Proportional to 52,304.70, 72,181.22 and 28,431.38

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Solution

The fourth proportional to 52,304.70, 72,181.22 and 28,431.38 is: 39,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,304.70 : 72,181.22 = 28,431.38 : x
  2. Step 2: Convert to fraction form
    52,304.70/72,181.22 = 28,431.38/x
  3. Step 3: Cross multiply
    52,304.70x = 72,181.22 × 28,431.38
  4. Step 4: Simplify right side
    52,304.70x = 2,052,211,694.68
  5. Step 5: Solve for x
    x = 2,052,211,694.68/52,304.70
  6. Step 6: Final answer
    x = 39,235.70

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1.5x scale

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.