Home / 54,528.72-75,249.76-30,655.60

Finding the Fourth Proportional to 54,528.72, 75,249.76 and 30,655.60

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Solution

The fourth proportional to 54,528.72, 75,249.76 and 30,655.60 is: 42,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,528.72 : 75,249.76 = 30,655.60 : x
  2. Step 2: Convert to fraction form
    54,528.72/75,249.76 = 30,655.60/x
  3. Step 3: Cross multiply
    54,528.72x = 75,249.76 × 30,655.60
  4. Step 4: Simplify right side
    54,528.72x = 2,306,826,542.66
  5. Step 5: Solve for x
    x = 2,306,826,542.66/54,528.72
  6. Step 6: Final answer
    x = 42,304.80

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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.