Home / 49,873.14-74,814.40-19,880.15

Finding the Fourth Proportional to 49,873.14, 74,814.40 and 19,880.15

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Solution

The fourth proportional to 49,873.14, 74,814.40 and 19,880.15 is: 29,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,873.14 : 74,814.40 = 19,880.15 : x
  2. Step 2: Convert to fraction form
    49,873.14/74,814.40 = 19,880.15/x
  3. Step 3: Cross multiply
    49,873.14x = 74,814.40 × 19,880.15
  4. Step 4: Simplify right side
    49,873.14x = 1,487,321,070.39
  5. Step 5: Solve for x
    x = 1,487,321,070.39/49,873.14
  6. Step 6: Final answer
    x = 29,822.09

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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.