Home / 41,205.80-61,808.70-28,521.20

Finding the Fourth Proportional to 41,205.80, 61,808.70 and 28,521.20

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Solution

The fourth proportional to 41,205.80, 61,808.70 and 28,521.20 is: 42,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,205.80 : 61,808.70 = 28,521.20 : x
  2. Step 2: Convert to fraction form
    41,205.80/61,808.70 = 28,521.20/x
  3. Step 3: Cross multiply
    41,205.80x = 61,808.70 × 28,521.20
  4. Step 4: Simplify right side
    41,205.80x = 1,762,858,294.44
  5. Step 5: Solve for x
    x = 1,762,858,294.44/41,205.80
  6. Step 6: Final answer
    x = 42,781.80

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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.