Home / 54,709.41-75,499-29,558.91

Finding the Fourth Proportional to 54,709.41, 75,499 and 29,558.91

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Solution

The fourth proportional to 54,709.41, 75,499 and 29,558.91 is: 40,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,709.41 : 75,499 = 29,558.91 : x
  2. Step 2: Convert to fraction form
    54,709.41/75,499 = 29,558.91/x
  3. Step 3: Cross multiply
    54,709.41x = 75,499 × 29,558.91
  4. Step 4: Simplify right side
    54,709.41x = 2,231,668,146.09
  5. Step 5: Solve for x
    x = 2,231,668,146.09/54,709.41
  6. Step 6: Final answer
    x = 40,791.30

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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.