Home / 49,519.52-74,282.72-19,937.30

Finding the Fourth Proportional to 49,519.52, 74,282.72 and 19,937.30

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Solution

The fourth proportional to 49,519.52, 74,282.72 and 19,937.30 is: 29,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,519.52 : 74,282.72 = 19,937.30 : x
  2. Step 2: Convert to fraction form
    49,519.52/74,282.72 = 19,937.30/x
  3. Step 3: Cross multiply
    49,519.52x = 74,282.72 × 19,937.30
  4. Step 4: Simplify right side
    49,519.52x = 1,480,996,873.46
  5. Step 5: Solve for x
    x = 1,480,996,873.46/49,519.52
  6. Step 6: Final answer
    x = 29,907.33

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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.