Home / 40,145.28-55,400.93-22,240.56

Finding the Fourth Proportional to 40,145.28, 55,400.93 and 22,240.56

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Solution

The fourth proportional to 40,145.28, 55,400.93 and 22,240.56 is: 30,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,145.28 : 55,400.93 = 22,240.56 : x
  2. Step 2: Convert to fraction form
    40,145.28/55,400.93 = 22,240.56/x
  3. Step 3: Cross multiply
    40,145.28x = 55,400.93 × 22,240.56
  4. Step 4: Simplify right side
    40,145.28x = 1,232,147,707.72
  5. Step 5: Solve for x
    x = 1,232,147,707.72/40,145.28
  6. Step 6: Final answer
    x = 30,692.22

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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.