Home / 54,677.92-75,453.78-30,803.18

Finding the Fourth Proportional to 54,677.92, 75,453.78 and 30,803.18

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Solution

The fourth proportional to 54,677.92, 75,453.78 and 30,803.18 is: 42,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677.92 : 75,453.78 = 30,803.18 : x
  2. Step 2: Convert to fraction form
    54,677.92/75,453.78 = 30,803.18/x
  3. Step 3: Cross multiply
    54,677.92x = 75,453.78 × 30,803.18
  4. Step 4: Simplify right side
    54,677.92x = 2,324,216,367.02
  5. Step 5: Solve for x
    x = 2,324,216,367.02/54,677.92
  6. Step 6: Final answer
    x = 42,507.40

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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.