Home / 29,913.30-41,018.40-28,819.80

Finding the Fourth Proportional to 29,913.30, 41,018.40 and 28,819.80

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Solution

The fourth proportional to 29,913.30, 41,018.40 and 28,819.80 is: 39,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,913.30 : 41,018.40 = 28,819.80 : x
  2. Step 2: Convert to fraction form
    29,913.30/41,018.40 = 28,819.80/x
  3. Step 3: Cross multiply
    29,913.30x = 41,018.40 × 28,819.80
  4. Step 4: Simplify right side
    29,913.30x = 1,182,142,084.32
  5. Step 5: Solve for x
    x = 1,182,142,084.32/29,913.30
  6. Step 6: Final answer
    x = 39,518.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.