Home / 39,912.34-55,079.25-22,007.03

Finding the Fourth Proportional to 39,912.34, 55,079.25 and 22,007.03

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Solution

The fourth proportional to 39,912.34, 55,079.25 and 22,007.03 is: 30,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,912.34 : 55,079.25 = 22,007.03 : x
  2. Step 2: Convert to fraction form
    39,912.34/55,079.25 = 22,007.03/x
  3. Step 3: Cross multiply
    39,912.34x = 55,079.25 × 22,007.03
  4. Step 4: Simplify right side
    39,912.34x = 1,212,130,431.73
  5. Step 5: Solve for x
    x = 1,212,130,431.73/39,912.34
  6. Step 6: Final answer
    x = 30,369.82

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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.