Home / 53,394.20-73,686.56-29,520.44

Finding the Fourth Proportional to 53,394.20, 73,686.56 and 29,520.44

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Solution

The fourth proportional to 53,394.20, 73,686.56 and 29,520.44 is: 40,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,394.20 : 73,686.56 = 29,520.44 : x
  2. Step 2: Convert to fraction form
    53,394.20/73,686.56 = 29,520.44/x
  3. Step 3: Cross multiply
    53,394.20x = 73,686.56 × 29,520.44
  4. Step 4: Simplify right side
    53,394.20x = 2,175,259,673.29
  5. Step 5: Solve for x
    x = 2,175,259,673.29/53,394.20
  6. Step 6: Final answer
    x = 40,739.62

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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.