Home / 50,348.16-75,531.32-20,749.52

Finding the Fourth Proportional to 50,348.16, 75,531.32 and 20,749.52

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Solution

The fourth proportional to 50,348.16, 75,531.32 and 20,749.52 is: 31,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,348.16 : 75,531.32 = 20,749.52 : x
  2. Step 2: Convert to fraction form
    50,348.16/75,531.32 = 20,749.52/x
  3. Step 3: Cross multiply
    50,348.16x = 75,531.32 × 20,749.52
  4. Step 4: Simplify right side
    50,348.16x = 1,567,238,634.97
  5. Step 5: Solve for x
    x = 1,567,238,634.97/50,348.16
  6. Step 6: Final answer
    x = 31,128.02

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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.