Home / 39,949.54-55,130.83-22,045.21

Finding the Fourth Proportional to 39,949.54, 55,130.83 and 22,045.21

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Solution

The fourth proportional to 39,949.54, 55,130.83 and 22,045.21 is: 30,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,949.54 : 55,130.83 = 22,045.21 : x
  2. Step 2: Convert to fraction form
    39,949.54/55,130.83 = 22,045.21/x
  3. Step 3: Cross multiply
    39,949.54x = 55,130.83 × 22,045.21
  4. Step 4: Simplify right side
    39,949.54x = 1,215,370,531.88
  5. Step 5: Solve for x
    x = 1,215,370,531.88/39,949.54
  6. Step 6: Final answer
    x = 30,422.64

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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.