Home / 54,319.92-74,954.88-30,441.48

Finding the Fourth Proportional to 54,319.92, 74,954.88 and 30,441.48

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Solution

The fourth proportional to 54,319.92, 74,954.88 and 30,441.48 is: 42,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.92 : 74,954.88 = 30,441.48 : x
  2. Step 2: Convert to fraction form
    54,319.92/74,954.88 = 30,441.48/x
  3. Step 3: Cross multiply
    54,319.92x = 74,954.88 × 30,441.48
  4. Step 4: Simplify right side
    54,319.92x = 2,281,737,480.42
  5. Step 5: Solve for x
    x = 2,281,737,480.42/54,319.92
  6. Step 6: Final answer
    x = 42,005.54

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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.