Home / 39,486.27-54,491.92-21,582.43

Finding the Fourth Proportional to 39,486.27, 54,491.92 and 21,582.43

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Solution

The fourth proportional to 39,486.27, 54,491.92 and 21,582.43 is: 29,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,486.27 : 54,491.92 = 21,582.43 : x
  2. Step 2: Convert to fraction form
    39,486.27/54,491.92 = 21,582.43/x
  3. Step 3: Cross multiply
    39,486.27x = 54,491.92 × 21,582.43
  4. Step 4: Simplify right side
    39,486.27x = 1,176,068,048.97
  5. Step 5: Solve for x
    x = 1,176,068,048.97/39,486.27
  6. Step 6: Final answer
    x = 29,784.23

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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.