Home / 29,361.67-40,502.15-18,739.33

Finding the Fourth Proportional to 29,361.67, 40,502.15 and 18,739.33

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Solution

The fourth proportional to 29,361.67, 40,502.15 and 18,739.33 is: 25,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,361.67 : 40,502.15 = 18,739.33 : x
  2. Step 2: Convert to fraction form
    29,361.67/40,502.15 = 18,739.33/x
  3. Step 3: Cross multiply
    29,361.67x = 40,502.15 × 18,739.33
  4. Step 4: Simplify right side
    29,361.67x = 758,983,154.56
  5. Step 5: Solve for x
    x = 758,983,154.56/29,361.67
  6. Step 6: Final answer
    x = 25,849.45

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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.