Home / 49,767.40-74,651.10-18,598.60

Finding the Fourth Proportional to 49,767.40, 74,651.10 and 18,598.60

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Solution

The fourth proportional to 49,767.40, 74,651.10 and 18,598.60 is: 27,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,767.40 : 74,651.10 = 18,598.60 : x
  2. Step 2: Convert to fraction form
    49,767.40/74,651.10 = 18,598.60/x
  3. Step 3: Cross multiply
    49,767.40x = 74,651.10 × 18,598.60
  4. Step 4: Simplify right side
    49,767.40x = 1,388,405,948.46
  5. Step 5: Solve for x
    x = 1,388,405,948.46/49,767.40
  6. Step 6: Final answer
    x = 27,897.90

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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.