Home / 39,489.51-54,490.26-25,361.49

Finding the Fourth Proportional to 39,489.51, 54,490.26 and 25,361.49

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Solution

The fourth proportional to 39,489.51, 54,490.26 and 25,361.49 is: 34,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,489.51 : 54,490.26 = 25,361.49 : x
  2. Step 2: Convert to fraction form
    39,489.51/54,490.26 = 25,361.49/x
  3. Step 3: Cross multiply
    39,489.51x = 54,490.26 × 25,361.49
  4. Step 4: Simplify right side
    39,489.51x = 1,381,954,184.09
  5. Step 5: Solve for x
    x = 1,381,954,184.09/39,489.51
  6. Step 6: Final answer
    x = 34,995.48

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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.