Home / 49,665.60-74,449.80-20,043.90

Finding the Fourth Proportional to 49,665.60, 74,449.80 and 20,043.90

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Solution

The fourth proportional to 49,665.60, 74,449.80 and 20,043.90 is: 30,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,665.60 : 74,449.80 = 20,043.90 : x
  2. Step 2: Convert to fraction form
    49,665.60/74,449.80 = 20,043.90/x
  3. Step 3: Cross multiply
    49,665.60x = 74,449.80 × 20,043.90
  4. Step 4: Simplify right side
    49,665.60x = 1,492,264,346.22
  5. Step 5: Solve for x
    x = 1,492,264,346.22/49,665.60
  6. Step 6: Final answer
    x = 30,046.24

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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.