Home / 40,164.90-55,426.14-22,261.57

Finding the Fourth Proportional to 40,164.90, 55,426.14 and 22,261.57

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Solution

The fourth proportional to 40,164.90, 55,426.14 and 22,261.57 is: 30,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,164.90 : 55,426.14 = 22,261.57 : x
  2. Step 2: Convert to fraction form
    40,164.90/55,426.14 = 22,261.57/x
  3. Step 3: Cross multiply
    40,164.90x = 55,426.14 × 22,261.57
  4. Step 4: Simplify right side
    40,164.90x = 1,233,872,895.44
  5. Step 5: Solve for x
    x = 1,233,872,895.44/40,164.90
  6. Step 6: Final answer
    x = 30,720.18

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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.