Home / 54,790.42-75,610.04-30,591.76

Finding the Fourth Proportional to 54,790.42, 75,610.04 and 30,591.76

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Solution

The fourth proportional to 54,790.42, 75,610.04 and 30,591.76 is: 42,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,790.42 : 75,610.04 = 30,591.76 : x
  2. Step 2: Convert to fraction form
    54,790.42/75,610.04 = 30,591.76/x
  3. Step 3: Cross multiply
    54,790.42x = 75,610.04 × 30,591.76
  4. Step 4: Simplify right side
    54,790.42x = 2,313,043,909.85
  5. Step 5: Solve for x
    x = 2,313,043,909.85/54,790.42
  6. Step 6: Final answer
    x = 42,216.21

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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.