Home / 49,987.16-74,943.69-30,261.05

Finding the Fourth Proportional to 49,987.16, 74,943.69 and 30,261.05

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Solution

The fourth proportional to 49,987.16, 74,943.69 and 30,261.05 is: 45,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,987.16 : 74,943.69 = 30,261.05 : x
  2. Step 2: Convert to fraction form
    49,987.16/74,943.69 = 30,261.05/x
  3. Step 3: Cross multiply
    49,987.16x = 74,943.69 × 30,261.05
  4. Step 4: Simplify right side
    49,987.16x = 2,267,874,375.56
  5. Step 5: Solve for x
    x = 2,267,874,375.56/49,987.16
  6. Step 6: Final answer
    x = 45,369.14

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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.