Home / 39,727.67-54,823.41-21,822.26

Finding the Fourth Proportional to 39,727.67, 54,823.41 and 21,822.26

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Solution

The fourth proportional to 39,727.67, 54,823.41 and 21,822.26 is: 30,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,727.67 : 54,823.41 = 21,822.26 : x
  2. Step 2: Convert to fraction form
    39,727.67/54,823.41 = 21,822.26/x
  3. Step 3: Cross multiply
    39,727.67x = 54,823.41 × 21,822.26
  4. Step 4: Simplify right side
    39,727.67x = 1,196,370,432.99
  5. Step 5: Solve for x
    x = 1,196,370,432.99/39,727.67
  6. Step 6: Final answer
    x = 30,114.29

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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.