Home / 51,853.12-77,795.92-18,572.56

Finding the Fourth Proportional to 51,853.12, 77,795.92 and 18,572.56

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Solution

The fourth proportional to 51,853.12, 77,795.92 and 18,572.56 is: 27,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,853.12 : 77,795.92 = 18,572.56 : x
  2. Step 2: Convert to fraction form
    51,853.12/77,795.92 = 18,572.56/x
  3. Step 3: Cross multiply
    51,853.12x = 77,795.92 × 18,572.56
  4. Step 4: Simplify right side
    51,853.12x = 1,444,869,391.96
  5. Step 5: Solve for x
    x = 1,444,869,391.96/51,853.12
  6. Step 6: Final answer
    x = 27,864.66

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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.