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Finding the Fourth Proportional to 54,728.92, 75,509.58 and 33,487.48

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Solution

The fourth proportional to 54,728.92, 75,509.58 and 33,487.48 is: 46,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,728.92 : 75,509.58 = 33,487.48 : x
  2. Step 2: Convert to fraction form
    54,728.92/75,509.58 = 33,487.48/x
  3. Step 3: Cross multiply
    54,728.92x = 75,509.58 × 33,487.48
  4. Step 4: Simplify right side
    54,728.92x = 2,528,625,550.06
  5. Step 5: Solve for x
    x = 2,528,625,550.06/54,728.92
  6. Step 6: Final answer
    x = 46,202.73

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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.