Home / 40,012.64-55,215.96-22,107.27

Finding the Fourth Proportional to 40,012.64, 55,215.96 and 22,107.27

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Solution

The fourth proportional to 40,012.64, 55,215.96 and 22,107.27 is: 30,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,012.64 : 55,215.96 = 22,107.27 : x
  2. Step 2: Convert to fraction form
    40,012.64/55,215.96 = 22,107.27/x
  3. Step 3: Cross multiply
    40,012.64x = 55,215.96 × 22,107.27
  4. Step 4: Simplify right side
    40,012.64x = 1,220,674,136.03
  5. Step 5: Solve for x
    x = 1,220,674,136.03/40,012.64
  6. Step 6: Final answer
    x = 30,507.21

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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.