Home / 54,808.17-75,633.39-30,610.40

Finding the Fourth Proportional to 54,808.17, 75,633.39 and 30,610.40

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Solution

The fourth proportional to 54,808.17, 75,633.39 and 30,610.40 is: 42,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,808.17 : 75,633.39 = 30,610.40 : x
  2. Step 2: Convert to fraction form
    54,808.17/75,633.39 = 30,610.40/x
  3. Step 3: Cross multiply
    54,808.17x = 75,633.39 × 30,610.40
  4. Step 4: Simplify right side
    54,808.17x = 2,315,167,943.09
  5. Step 5: Solve for x
    x = 2,315,167,943.09/54,808.17
  6. Step 6: Final answer
    x = 42,241.29

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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.