Home / 39,392.22-54,361.42-21,487.60

Finding the Fourth Proportional to 39,392.22, 54,361.42 and 21,487.60

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Solution

The fourth proportional to 39,392.22, 54,361.42 and 21,487.60 is: 29,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,392.22 : 54,361.42 = 21,487.60 : x
  2. Step 2: Convert to fraction form
    39,392.22/54,361.42 = 21,487.60/x
  3. Step 3: Cross multiply
    39,392.22x = 54,361.42 × 21,487.60
  4. Step 4: Simplify right side
    39,392.22x = 1,168,096,448.39
  5. Step 5: Solve for x
    x = 1,168,096,448.39/39,392.22
  6. Step 6: Final answer
    x = 29,652.97

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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.