Home / 39,837.56-54,975.71-21,932.92

Finding the Fourth Proportional to 39,837.56, 54,975.71 and 21,932.92

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Solution

The fourth proportional to 39,837.56, 54,975.71 and 21,932.92 is: 30,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,837.56 : 54,975.71 = 21,932.92 : x
  2. Step 2: Convert to fraction form
    39,837.56/54,975.71 = 21,932.92/x
  3. Step 3: Cross multiply
    39,837.56x = 54,975.71 × 21,932.92
  4. Step 4: Simplify right side
    39,837.56x = 1,205,777,464.83
  5. Step 5: Solve for x
    x = 1,205,777,464.83/39,837.56
  6. Step 6: Final answer
    x = 30,267.35

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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.