Home / 40,163.91-55,426.34-22,259.22

Finding the Fourth Proportional to 40,163.91, 55,426.34 and 22,259.22

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Solution

The fourth proportional to 40,163.91, 55,426.34 and 22,259.22 is: 30,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.91 : 55,426.34 = 22,259.22 : x
  2. Step 2: Convert to fraction form
    40,163.91/55,426.34 = 22,259.22/x
  3. Step 3: Cross multiply
    40,163.91x = 55,426.34 × 22,259.22
  4. Step 4: Simplify right side
    40,163.91x = 1,233,747,095.85
  5. Step 5: Solve for x
    x = 1,233,747,095.85/40,163.91
  6. Step 6: Final answer
    x = 30,717.80

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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.