Home / 40,800.62-61,151.72-21,068.42

Finding the Fourth Proportional to 40,800.62, 61,151.72 and 21,068.42

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Solution

The fourth proportional to 40,800.62, 61,151.72 and 21,068.42 is: 31,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,800.62 : 61,151.72 = 21,068.42 : x
  2. Step 2: Convert to fraction form
    40,800.62/61,151.72 = 21,068.42/x
  3. Step 3: Cross multiply
    40,800.62x = 61,151.72 × 21,068.42
  4. Step 4: Simplify right side
    40,800.62x = 1,288,370,120.68
  5. Step 5: Solve for x
    x = 1,288,370,120.68/40,800.62
  6. Step 6: Final answer
    x = 31,577.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.