Home / 40,750.43-61,113.20-28,181.00

Finding the Fourth Proportional to 40,750.43, 61,113.20 and 28,181.00

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Solution

The fourth proportional to 40,750.43, 61,113.20 and 28,181.00 is: 42,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,750.43 : 61,113.20 = 28,181.00 : x
  2. Step 2: Convert to fraction form
    40,750.43/61,113.20 = 28,181.00/x
  3. Step 3: Cross multiply
    40,750.43x = 61,113.20 × 28,181.00
  4. Step 4: Simplify right side
    40,750.43x = 1,722,230,642.73
  5. Step 5: Solve for x
    x = 1,722,230,642.73/40,750.43
  6. Step 6: Final answer
    x = 42,262.89

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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.