Home / 49,412.82-74,133.15-19,851.42

Finding the Fourth Proportional to 49,412.82, 74,133.15 and 19,851.42

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Solution

The fourth proportional to 49,412.82, 74,133.15 and 19,851.42 is: 29,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,412.82 : 74,133.15 = 19,851.42 : x
  2. Step 2: Convert to fraction form
    49,412.82/74,133.15 = 19,851.42/x
  3. Step 3: Cross multiply
    49,412.82x = 74,133.15 × 19,851.42
  4. Step 4: Simplify right side
    49,412.82x = 1,471,648,296.57
  5. Step 5: Solve for x
    x = 1,471,648,296.57/49,412.82
  6. Step 6: Final answer
    x = 29,782.72

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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.