Home / 54,942.28-75,810.46-30,743.73

Finding the Fourth Proportional to 54,942.28, 75,810.46 and 30,743.73

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Solution

The fourth proportional to 54,942.28, 75,810.46 and 30,743.73 is: 42,420.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.28 : 75,810.46 = 30,743.73 : x
  2. Step 2: Convert to fraction form
    54,942.28/75,810.46 = 30,743.73/x
  3. Step 3: Cross multiply
    54,942.28x = 75,810.46 × 30,743.73
  4. Step 4: Simplify right side
    54,942.28x = 2,330,696,313.42
  5. Step 5: Solve for x
    x = 2,330,696,313.42/54,942.28
  6. Step 6: Final answer
    x = 42,420.82

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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.