Home / 49,661.53-74,539.11-18,102.10

Finding the Fourth Proportional to 49,661.53, 74,539.11 and 18,102.10

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Solution

The fourth proportional to 49,661.53, 74,539.11 and 18,102.10 is: 27,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,661.53 : 74,539.11 = 18,102.10 : x
  2. Step 2: Convert to fraction form
    49,661.53/74,539.11 = 18,102.10/x
  3. Step 3: Cross multiply
    49,661.53x = 74,539.11 × 18,102.10
  4. Step 4: Simplify right side
    49,661.53x = 1,349,314,079.05
  5. Step 5: Solve for x
    x = 1,349,314,079.05/49,661.53
  6. Step 6: Final answer
    x = 27,170.21

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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.