Home / 39,837.92-54,975.25-21,933.05

Finding the Fourth Proportional to 39,837.92, 54,975.25 and 21,933.05

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Solution

The fourth proportional to 39,837.92, 54,975.25 and 21,933.05 is: 30,267.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,837.92 : 54,975.25 = 21,933.05 : x
  2. Step 2: Convert to fraction form
    39,837.92/54,975.25 = 21,933.05/x
  3. Step 3: Cross multiply
    39,837.92x = 54,975.25 × 21,933.05
  4. Step 4: Simplify right side
    39,837.92x = 1,205,774,989.62
  5. Step 5: Solve for x
    x = 1,205,774,989.62/39,837.92
  6. Step 6: Final answer
    x = 30,267.02

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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.