Home / 39,072.12-53,922.42-22,078.32

Finding the Fourth Proportional to 39,072.12, 53,922.42 and 22,078.32

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Solution

The fourth proportional to 39,072.12, 53,922.42 and 22,078.32 is: 30,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.12 : 53,922.42 = 22,078.32 : x
  2. Step 2: Convert to fraction form
    39,072.12/53,922.42 = 22,078.32/x
  3. Step 3: Cross multiply
    39,072.12x = 53,922.42 × 22,078.32
  4. Step 4: Simplify right side
    39,072.12x = 1,190,516,443.93
  5. Step 5: Solve for x
    x = 1,190,516,443.93/39,072.12
  6. Step 6: Final answer
    x = 30,469.72

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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.