Home / 49,761.12-74,643.84-18,579.36

Finding the Fourth Proportional to 49,761.12, 74,643.84 and 18,579.36

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Solution

The fourth proportional to 49,761.12, 74,643.84 and 18,579.36 is: 27,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,761.12 : 74,643.84 = 18,579.36 : x
  2. Step 2: Convert to fraction form
    49,761.12/74,643.84 = 18,579.36/x
  3. Step 3: Cross multiply
    49,761.12x = 74,643.84 × 18,579.36
  4. Step 4: Simplify right side
    49,761.12x = 1,386,834,775.14
  5. Step 5: Solve for x
    x = 1,386,834,775.14/49,761.12
  6. Step 6: Final answer
    x = 27,869.85

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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.