Home / 51,928.48-77,836.56-20,729.44

Finding the Fourth Proportional to 51,928.48, 77,836.56 and 20,729.44

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Solution

The fourth proportional to 51,928.48, 77,836.56 and 20,729.44 is: 31,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.48 : 77,836.56 = 20,729.44 : x
  2. Step 2: Convert to fraction form
    51,928.48/77,836.56 = 20,729.44/x
  3. Step 3: Cross multiply
    51,928.48x = 77,836.56 × 20,729.44
  4. Step 4: Simplify right side
    51,928.48x = 1,613,508,300.33
  5. Step 5: Solve for x
    x = 1,613,508,300.33/51,928.48
  6. Step 6: Final answer
    x = 31,071.74

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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.