Home / 39,913.38-55,080.41-22,008.43

Finding the Fourth Proportional to 39,913.38, 55,080.41 and 22,008.43

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Solution

The fourth proportional to 39,913.38, 55,080.41 and 22,008.43 is: 30,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.38 : 55,080.41 = 22,008.43 : x
  2. Step 2: Convert to fraction form
    39,913.38/55,080.41 = 22,008.43/x
  3. Step 3: Cross multiply
    39,913.38x = 55,080.41 × 22,008.43
  4. Step 4: Simplify right side
    39,913.38x = 1,212,232,962.41
  5. Step 5: Solve for x
    x = 1,212,232,962.41/39,913.38
  6. Step 6: Final answer
    x = 30,371.59

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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.