Home / 54,642.92-75,406.47-30,771.92

Finding the Fourth Proportional to 54,642.92, 75,406.47 and 30,771.92

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Solution

The fourth proportional to 54,642.92, 75,406.47 and 30,771.92 is: 42,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,642.92 : 75,406.47 = 30,771.92 : x
  2. Step 2: Convert to fraction form
    54,642.92/75,406.47 = 30,771.92/x
  3. Step 3: Cross multiply
    54,642.92x = 75,406.47 × 30,771.92
  4. Step 4: Simplify right side
    54,642.92x = 2,320,401,862.32
  5. Step 5: Solve for x
    x = 2,320,401,862.32/54,642.92
  6. Step 6: Final answer
    x = 42,464.82

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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.