Home / 49,602.78-74,404.17-18,438.03

Finding the Fourth Proportional to 49,602.78, 74,404.17 and 18,438.03

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Solution

The fourth proportional to 49,602.78, 74,404.17 and 18,438.03 is: 27,657.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,602.78 : 74,404.17 = 18,438.03 : x
  2. Step 2: Convert to fraction form
    49,602.78/74,404.17 = 18,438.03/x
  3. Step 3: Cross multiply
    49,602.78x = 74,404.17 × 18,438.03
  4. Step 4: Simplify right side
    49,602.78x = 1,371,866,318.59
  5. Step 5: Solve for x
    x = 1,371,866,318.59/49,602.78
  6. Step 6: Final answer
    x = 27,657.05

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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.