Home / 54,806.16-75,632.34-30,932.76

Finding the Fourth Proportional to 54,806.16, 75,632.34 and 30,932.76

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Solution

The fourth proportional to 54,806.16, 75,632.34 and 30,932.76 is: 42,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,806.16 : 75,632.34 = 30,932.76 : x
  2. Step 2: Convert to fraction form
    54,806.16/75,632.34 = 30,932.76/x
  3. Step 3: Cross multiply
    54,806.16x = 75,632.34 × 30,932.76
  4. Step 4: Simplify right side
    54,806.16x = 2,339,517,021.46
  5. Step 5: Solve for x
    x = 2,339,517,021.46/54,806.16
  6. Step 6: Final answer
    x = 42,687.12

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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.