Home / 54,758.92-75,578.25-30,886.06

Finding the Fourth Proportional to 54,758.92, 75,578.25 and 30,886.06

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Solution

The fourth proportional to 54,758.92, 75,578.25 and 30,886.06 is: 42,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,758.92 : 75,578.25 = 30,886.06 : x
  2. Step 2: Convert to fraction form
    54,758.92/75,578.25 = 30,886.06/x
  3. Step 3: Cross multiply
    54,758.92x = 75,578.25 × 30,886.06
  4. Step 4: Simplify right side
    54,758.92x = 2,334,314,364.20
  5. Step 5: Solve for x
    x = 2,334,314,364.20/54,758.92
  6. Step 6: Final answer
    x = 42,628.93

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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.