Home / 39,806.48-54,933.72-23,049.20

Finding the Fourth Proportional to 39,806.48, 54,933.72 and 23,049.20

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Solution

The fourth proportional to 39,806.48, 54,933.72 and 23,049.20 is: 31,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806.48 : 54,933.72 = 23,049.20 : x
  2. Step 2: Convert to fraction form
    39,806.48/54,933.72 = 23,049.20/x
  3. Step 3: Cross multiply
    39,806.48x = 54,933.72 × 23,049.20
  4. Step 4: Simplify right side
    39,806.48x = 1,266,178,299.02
  5. Step 5: Solve for x
    x = 1,266,178,299.02/39,806.48
  6. Step 6: Final answer
    x = 31,808.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.