Home / 54,563.52-75,288.24-30,688.32

Finding the Fourth Proportional to 54,563.52, 75,288.24 and 30,688.32

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Solution

The fourth proportional to 54,563.52, 75,288.24 and 30,688.32 is: 42,344.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,563.52 : 75,288.24 = 30,688.32 : x
  2. Step 2: Convert to fraction form
    54,563.52/75,288.24 = 30,688.32/x
  3. Step 3: Cross multiply
    54,563.52x = 75,288.24 × 30,688.32
  4. Step 4: Simplify right side
    54,563.52x = 2,310,469,601.36
  5. Step 5: Solve for x
    x = 2,310,469,601.36/54,563.52
  6. Step 6: Final answer
    x = 42,344.58

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Double scale
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Similar ratio
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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.