Home / 34,728.40-47,945.64-22,812.52

Finding the Fourth Proportional to 34,728.40, 47,945.64 and 22,812.52

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Solution

The fourth proportional to 34,728.40, 47,945.64 and 22,812.52 is: 31,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,728.40 : 47,945.64 = 22,812.52 : x
  2. Step 2: Convert to fraction form
    34,728.40/47,945.64 = 22,812.52/x
  3. Step 3: Cross multiply
    34,728.40x = 47,945.64 × 22,812.52
  4. Step 4: Simplify right side
    34,728.40x = 1,093,760,871.41
  5. Step 5: Solve for x
    x = 1,093,760,871.41/34,728.40
  6. Step 6: Final answer
    x = 31,494.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.