Home / 49,621.11-74,431.56-21,537.53

Finding the Fourth Proportional to 49,621.11, 74,431.56 and 21,537.53

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Solution

The fourth proportional to 49,621.11, 74,431.56 and 21,537.53 is: 32,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,621.11 : 74,431.56 = 21,537.53 : x
  2. Step 2: Convert to fraction form
    49,621.11/74,431.56 = 21,537.53/x
  3. Step 3: Cross multiply
    49,621.11x = 74,431.56 × 21,537.53
  4. Step 4: Simplify right side
    49,621.11x = 1,603,071,823.02
  5. Step 5: Solve for x
    x = 1,603,071,823.02/49,621.11
  6. Step 6: Final answer
    x = 32,306.24

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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.