Home / 40,130.62-55,378.63-22,224.56

Finding the Fourth Proportional to 40,130.62, 55,378.63 and 22,224.56

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Solution

The fourth proportional to 40,130.62, 55,378.63 and 22,224.56 is: 30,668.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130.62 : 55,378.63 = 22,224.56 : x
  2. Step 2: Convert to fraction form
    40,130.62/55,378.63 = 22,224.56/x
  3. Step 3: Cross multiply
    40,130.62x = 55,378.63 × 22,224.56
  4. Step 4: Simplify right side
    40,130.62x = 1,230,765,685.15
  5. Step 5: Solve for x
    x = 1,230,765,685.15/40,130.62
  6. Step 6: Final answer
    x = 30,668.99

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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.