Home / 54,794.16-75,616.56-30,921.12

Finding the Fourth Proportional to 54,794.16, 75,616.56 and 30,921.12

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Solution

The fourth proportional to 54,794.16, 75,616.56 and 30,921.12 is: 42,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,794.16 : 75,616.56 = 30,921.12 : x
  2. Step 2: Convert to fraction form
    54,794.16/75,616.56 = 30,921.12/x
  3. Step 3: Cross multiply
    54,794.16x = 75,616.56 × 30,921.12
  4. Step 4: Simplify right side
    54,794.16x = 2,338,148,725.75
  5. Step 5: Solve for x
    x = 2,338,148,725.75/54,794.16
  6. Step 6: Final answer
    x = 42,671.50

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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.