Home / 39,133.44-54,004.14-22,137.30

Finding the Fourth Proportional to 39,133.44, 54,004.14 and 22,137.30

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Solution

The fourth proportional to 39,133.44, 54,004.14 and 22,137.30 is: 30,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,133.44 : 54,004.14 = 22,137.30 : x
  2. Step 2: Convert to fraction form
    39,133.44/54,004.14 = 22,137.30/x
  3. Step 3: Cross multiply
    39,133.44x = 54,004.14 × 22,137.30
  4. Step 4: Simplify right side
    39,133.44x = 1,195,505,848.42
  5. Step 5: Solve for x
    x = 1,195,505,848.42/39,133.44
  6. Step 6: Final answer
    x = 30,549.47

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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.