Home / 54,630.77-75,391.88-30,758.31

Finding the Fourth Proportional to 54,630.77, 75,391.88 and 30,758.31

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Solution

The fourth proportional to 54,630.77, 75,391.88 and 30,758.31 is: 42,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,630.77 : 75,391.88 = 30,758.31 : x
  2. Step 2: Convert to fraction form
    54,630.77/75,391.88 = 30,758.31/x
  3. Step 3: Cross multiply
    54,630.77x = 75,391.88 × 30,758.31
  4. Step 4: Simplify right side
    54,630.77x = 2,318,926,662.73
  5. Step 5: Solve for x
    x = 2,318,926,662.73/54,630.77
  6. Step 6: Final answer
    x = 42,447.27

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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.