Home / 39,398.94-54,369.29-22,405.03

Finding the Fourth Proportional to 39,398.94, 54,369.29 and 22,405.03

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Solution

The fourth proportional to 39,398.94, 54,369.29 and 22,405.03 is: 30,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,398.94 : 54,369.29 = 22,405.03 : x
  2. Step 2: Convert to fraction form
    39,398.94/54,369.29 = 22,405.03/x
  3. Step 3: Cross multiply
    39,398.94x = 54,369.29 × 22,405.03
  4. Step 4: Simplify right side
    39,398.94x = 1,218,145,573.53
  5. Step 5: Solve for x
    x = 1,218,145,573.53/39,398.94
  6. Step 6: Final answer
    x = 30,918.23

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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.