Home / 54,392.56-75,061.52-30,519.32

Finding the Fourth Proportional to 54,392.56, 75,061.52 and 30,519.32

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Solution

The fourth proportional to 54,392.56, 75,061.52 and 30,519.32 is: 42,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,392.56 : 75,061.52 = 30,519.32 : x
  2. Step 2: Convert to fraction form
    54,392.56/75,061.52 = 30,519.32/x
  3. Step 3: Cross multiply
    54,392.56x = 75,061.52 × 30,519.32
  4. Step 4: Simplify right side
    54,392.56x = 2,290,826,548.57
  5. Step 5: Solve for x
    x = 2,290,826,548.57/54,392.56
  6. Step 6: Final answer
    x = 42,116.54

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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.