Home / 49,239.90-73,878.46-19,275.55

Finding the Fourth Proportional to 49,239.90, 73,878.46 and 19,275.55

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Solution

The fourth proportional to 49,239.90, 73,878.46 and 19,275.55 is: 28,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,239.90 : 73,878.46 = 19,275.55 : x
  2. Step 2: Convert to fraction form
    49,239.90/73,878.46 = 19,275.55/x
  3. Step 3: Cross multiply
    49,239.90x = 73,878.46 × 19,275.55
  4. Step 4: Simplify right side
    49,239.90x = 1,424,047,716.77
  5. Step 5: Solve for x
    x = 1,424,047,716.77/49,239.90
  6. Step 6: Final answer
    x = 28,920.61

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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.