Home / 54,619.88-75,369.57-30,746.12

Finding the Fourth Proportional to 54,619.88, 75,369.57 and 30,746.12

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Solution

The fourth proportional to 54,619.88, 75,369.57 and 30,746.12 is: 42,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,619.88 : 75,369.57 = 30,746.12 : x
  2. Step 2: Convert to fraction form
    54,619.88/75,369.57 = 30,746.12/x
  3. Step 3: Cross multiply
    54,619.88x = 75,369.57 × 30,746.12
  4. Step 4: Simplify right side
    54,619.88x = 2,317,321,843.57
  5. Step 5: Solve for x
    x = 2,317,321,843.57/54,619.88
  6. Step 6: Final answer
    x = 42,426.34

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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.