Home / 54,881.35-75,736-29,730.85

Finding the Fourth Proportional to 54,881.35, 75,736 and 29,730.85

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Solution

The fourth proportional to 54,881.35, 75,736 and 29,730.85 is: 41,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,881.35 : 75,736 = 29,730.85 : x
  2. Step 2: Convert to fraction form
    54,881.35/75,736 = 29,730.85/x
  3. Step 3: Cross multiply
    54,881.35x = 75,736 × 29,730.85
  4. Step 4: Simplify right side
    54,881.35x = 2,251,695,655.60
  5. Step 5: Solve for x
    x = 2,251,695,655.60/54,881.35
  6. Step 6: Final answer
    x = 41,028.43

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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.