Home / 49,988.04-74,982.12-13,052.04

Finding the Fourth Proportional to 49,988.04, 74,982.12 and 13,052.04

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Solution

The fourth proportional to 49,988.04, 74,982.12 and 13,052.04 is: 19,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,988.04 : 74,982.12 = 13,052.04 : x
  2. Step 2: Convert to fraction form
    49,988.04/74,982.12 = 13,052.04/x
  3. Step 3: Cross multiply
    49,988.04x = 74,982.12 × 13,052.04
  4. Step 4: Simplify right side
    49,988.04x = 978,669,629.52
  5. Step 5: Solve for x
    x = 978,669,629.52/49,988.04
  6. Step 6: Final answer
    x = 19,578.08

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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.