Home / 40,021.08-55,228.94-22,357.08

Finding the Fourth Proportional to 40,021.08, 55,228.94 and 22,357.08

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Solution

The fourth proportional to 40,021.08, 55,228.94 and 22,357.08 is: 30,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.08 : 55,228.94 = 22,357.08 : x
  2. Step 2: Convert to fraction form
    40,021.08/55,228.94 = 22,357.08/x
  3. Step 3: Cross multiply
    40,021.08x = 55,228.94 × 22,357.08
  4. Step 4: Simplify right side
    40,021.08x = 1,234,757,829.90
  5. Step 5: Solve for x
    x = 1,234,757,829.90/40,021.08
  6. Step 6: Final answer
    x = 30,852.69

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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.