Home / 39,351.81-54,304.77-21,446.94

Finding the Fourth Proportional to 39,351.81, 54,304.77 and 21,446.94

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Solution

The fourth proportional to 39,351.81, 54,304.77 and 21,446.94 is: 29,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.81 : 54,304.77 = 21,446.94 : x
  2. Step 2: Convert to fraction form
    39,351.81/54,304.77 = 21,446.94/x
  3. Step 3: Cross multiply
    39,351.81x = 54,304.77 × 21,446.94
  4. Step 4: Simplify right side
    39,351.81x = 1,164,671,143.90
  5. Step 5: Solve for x
    x = 1,164,671,143.90/39,351.81
  6. Step 6: Final answer
    x = 29,596.38

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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.