Home / 43,891.02-65,873.40-18,949.92

Finding the Fourth Proportional to 43,891.02, 65,873.40 and 18,949.92

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Solution

The fourth proportional to 43,891.02, 65,873.40 and 18,949.92 is: 28,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,891.02 : 65,873.40 = 18,949.92 : x
  2. Step 2: Convert to fraction form
    43,891.02/65,873.40 = 18,949.92/x
  3. Step 3: Cross multiply
    43,891.02x = 65,873.40 × 18,949.92
  4. Step 4: Simplify right side
    43,891.02x = 1,248,295,660.13
  5. Step 5: Solve for x
    x = 1,248,295,660.13/43,891.02
  6. Step 6: Final answer
    x = 28,440.80

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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.