Home / 49,449-74,182.80-19,869.18

Finding the Fourth Proportional to 49,449, 74,182.80 and 19,869.18

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Solution

The fourth proportional to 49,449, 74,182.80 and 19,869.18 is: 29,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,449 : 74,182.80 = 19,869.18 : x
  2. Step 2: Convert to fraction form
    49,449/74,182.80 = 19,869.18/x
  3. Step 3: Cross multiply
    49,449x = 74,182.80 × 19,869.18
  4. Step 4: Simplify right side
    49,449x = 1,473,951,406.10
  5. Step 5: Solve for x
    x = 1,473,951,406.10/49,449
  6. Step 6: Final answer
    x = 29,807.51

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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.