Home / 51,236.11-76,807.26-17,938.01

Finding the Fourth Proportional to 51,236.11, 76,807.26 and 17,938.01

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Solution

The fourth proportional to 51,236.11, 76,807.26 and 17,938.01 is: 26,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,236.11 : 76,807.26 = 17,938.01 : x
  2. Step 2: Convert to fraction form
    51,236.11/76,807.26 = 17,938.01/x
  3. Step 3: Cross multiply
    51,236.11x = 76,807.26 × 17,938.01
  4. Step 4: Simplify right side
    51,236.11x = 1,377,769,397.95
  5. Step 5: Solve for x
    x = 1,377,769,397.95/51,236.11
  6. Step 6: Final answer
    x = 26,890.60

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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.