Home / 49,569.35-74,357.46-19,987.47

Finding the Fourth Proportional to 49,569.35, 74,357.46 and 19,987.47

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Solution

The fourth proportional to 49,569.35, 74,357.46 and 19,987.47 is: 29,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,569.35 : 74,357.46 = 19,987.47 : x
  2. Step 2: Convert to fraction form
    49,569.35/74,357.46 = 19,987.47/x
  3. Step 3: Cross multiply
    49,569.35x = 74,357.46 × 19,987.47
  4. Step 4: Simplify right side
    49,569.35x = 1,486,217,501.03
  5. Step 5: Solve for x
    x = 1,486,217,501.03/49,569.35
  6. Step 6: Final answer
    x = 29,982.59

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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.