Home / 54,824.16-75,660.84-30,942.12

Finding the Fourth Proportional to 54,824.16, 75,660.84 and 30,942.12

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Solution

The fourth proportional to 54,824.16, 75,660.84 and 30,942.12 is: 42,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,824.16 : 75,660.84 = 30,942.12 : x
  2. Step 2: Convert to fraction form
    54,824.16/75,660.84 = 30,942.12/x
  3. Step 3: Cross multiply
    54,824.16x = 75,660.84 × 30,942.12
  4. Step 4: Simplify right side
    54,824.16x = 2,341,106,790.58
  5. Step 5: Solve for x
    x = 2,341,106,790.58/54,824.16
  6. Step 6: Final answer
    x = 42,702.10

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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.