Home / 51,670.29-77,522.67-20,081.37

Finding the Fourth Proportional to 51,670.29, 77,522.67 and 20,081.37

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Solution

The fourth proportional to 51,670.29, 77,522.67 and 20,081.37 is: 30,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,670.29 : 77,522.67 = 20,081.37 : x
  2. Step 2: Convert to fraction form
    51,670.29/77,522.67 = 20,081.37/x
  3. Step 3: Cross multiply
    51,670.29x = 77,522.67 × 20,081.37
  4. Step 4: Simplify right side
    51,670.29x = 1,556,761,419.66
  5. Step 5: Solve for x
    x = 1,556,761,419.66/51,670.29
  6. Step 6: Final answer
    x = 30,128.75

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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.