Home / 54,447.21-75,132.01-30,569.22

Finding the Fourth Proportional to 54,447.21, 75,132.01 and 30,569.22

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Solution

The fourth proportional to 54,447.21, 75,132.01 and 30,569.22 is: 42,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,447.21 : 75,132.01 = 30,569.22 : x
  2. Step 2: Convert to fraction form
    54,447.21/75,132.01 = 30,569.22/x
  3. Step 3: Cross multiply
    54,447.21x = 75,132.01 × 30,569.22
  4. Step 4: Simplify right side
    54,447.21x = 2,296,726,942.73
  5. Step 5: Solve for x
    x = 2,296,726,942.73/54,447.21
  6. Step 6: Final answer
    x = 42,182.64

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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.