Home / 34,813.28-48,042.60-20,469.26

Finding the Fourth Proportional to 34,813.28, 48,042.60 and 20,469.26

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Solution

The fourth proportional to 34,813.28, 48,042.60 and 20,469.26 is: 28,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,813.28 : 48,042.60 = 20,469.26 : x
  2. Step 2: Convert to fraction form
    34,813.28/48,042.60 = 20,469.26/x
  3. Step 3: Cross multiply
    34,813.28x = 48,042.60 × 20,469.26
  4. Step 4: Simplify right side
    34,813.28x = 983,396,470.48
  5. Step 5: Solve for x
    x = 983,396,470.48/34,813.28
  6. Step 6: Final answer
    x = 28,247.74

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1.5x scale

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.