Home / 51,209.82-76,767.89-43,362.81

Finding the Fourth Proportional to 51,209.82, 76,767.89 and 43,362.81

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Solution

The fourth proportional to 51,209.82, 76,767.89 and 43,362.81 is: 65,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,209.82 : 76,767.89 = 43,362.81 : x
  2. Step 2: Convert to fraction form
    51,209.82/76,767.89 = 43,362.81/x
  3. Step 3: Cross multiply
    51,209.82x = 76,767.89 × 43,362.81
  4. Step 4: Simplify right side
    51,209.82x = 3,328,871,211.36
  5. Step 5: Solve for x
    x = 3,328,871,211.36/51,209.82
  6. Step 6: Final answer
    x = 65,004.55

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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.