Home / 53,361.28-73,638.21-29,487.97

Finding the Fourth Proportional to 53,361.28, 73,638.21 and 29,487.97

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Solution

The fourth proportional to 53,361.28, 73,638.21 and 29,487.97 is: 40,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,361.28 : 73,638.21 = 29,487.97 : x
  2. Step 2: Convert to fraction form
    53,361.28/73,638.21 = 29,487.97/x
  3. Step 3: Cross multiply
    53,361.28x = 73,638.21 × 29,487.97
  4. Step 4: Simplify right side
    53,361.28x = 2,171,441,327.33
  5. Step 5: Solve for x
    x = 2,171,441,327.33/53,361.28
  6. Step 6: Final answer
    x = 40,693.20

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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.