Home / 51,520.81-77,287.70-18,233.05

Finding the Fourth Proportional to 51,520.81, 77,287.70 and 18,233.05

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Solution

The fourth proportional to 51,520.81, 77,287.70 and 18,233.05 is: 27,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,520.81 : 77,287.70 = 18,233.05 : x
  2. Step 2: Convert to fraction form
    51,520.81/77,287.70 = 18,233.05/x
  3. Step 3: Cross multiply
    51,520.81x = 77,287.70 × 18,233.05
  4. Step 4: Simplify right side
    51,520.81x = 1,409,190,407.32
  5. Step 5: Solve for x
    x = 1,409,190,407.32/51,520.81
  6. Step 6: Final answer
    x = 27,351.87

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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.