Home / 49,479.53-74,200.86-19,887.39

Finding the Fourth Proportional to 49,479.53, 74,200.86 and 19,887.39

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Solution

The fourth proportional to 49,479.53, 74,200.86 and 19,887.39 is: 29,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,479.53 : 74,200.86 = 19,887.39 : x
  2. Step 2: Convert to fraction form
    49,479.53/74,200.86 = 19,887.39/x
  3. Step 3: Cross multiply
    49,479.53x = 74,200.86 × 19,887.39
  4. Step 4: Simplify right side
    49,479.53x = 1,475,661,441.16
  5. Step 5: Solve for x
    x = 1,475,661,441.16/49,479.53
  6. Step 6: Final answer
    x = 29,823.68

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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.