Home / 49,918.87-74,856.43-18,732.25

Finding the Fourth Proportional to 49,918.87, 74,856.43 and 18,732.25

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Solution

The fourth proportional to 49,918.87, 74,856.43 and 18,732.25 is: 28,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,918.87 : 74,856.43 = 18,732.25 : x
  2. Step 2: Convert to fraction form
    49,918.87/74,856.43 = 18,732.25/x
  3. Step 3: Cross multiply
    49,918.87x = 74,856.43 × 18,732.25
  4. Step 4: Simplify right side
    49,918.87x = 1,402,229,360.87
  5. Step 5: Solve for x
    x = 1,402,229,360.87/49,918.87
  6. Step 6: Final answer
    x = 28,090.17

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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.