Home / 49,561.10-74,368.90-21,481.40

Finding the Fourth Proportional to 49,561.10, 74,368.90 and 21,481.40

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Solution

The fourth proportional to 49,561.10, 74,368.90 and 21,481.40 is: 32,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,561.10 : 74,368.90 = 21,481.40 : x
  2. Step 2: Convert to fraction form
    49,561.10/74,368.90 = 21,481.40/x
  3. Step 3: Cross multiply
    49,561.10x = 74,368.90 × 21,481.40
  4. Step 4: Simplify right side
    49,561.10x = 1,597,548,301.23
  5. Step 5: Solve for x
    x = 1,597,548,301.23/49,561.10
  6. Step 6: Final answer
    x = 32,233.92

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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.