Home / 49,988.46-74,982.69-13,052.46

Finding the Fourth Proportional to 49,988.46, 74,982.69 and 13,052.46

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Solution

The fourth proportional to 49,988.46, 74,982.69 and 13,052.46 is: 19,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,988.46 : 74,982.69 = 13,052.46 : x
  2. Step 2: Convert to fraction form
    49,988.46/74,982.69 = 13,052.46/x
  3. Step 3: Cross multiply
    49,988.46x = 74,982.69 × 13,052.46
  4. Step 4: Simplify right side
    49,988.46x = 978,708,561.92
  5. Step 5: Solve for x
    x = 978,708,561.92/49,988.46
  6. Step 6: Final answer
    x = 19,578.69

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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.