Home / 39,202.08-54,100.08-22,440.48

Finding the Fourth Proportional to 39,202.08, 54,100.08 and 22,440.48

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Solution

The fourth proportional to 39,202.08, 54,100.08 and 22,440.48 is: 30,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.08 : 54,100.08 = 22,440.48 : x
  2. Step 2: Convert to fraction form
    39,202.08/54,100.08 = 22,440.48/x
  3. Step 3: Cross multiply
    39,202.08x = 54,100.08 × 22,440.48
  4. Step 4: Simplify right side
    39,202.08x = 1,214,031,763.24
  5. Step 5: Solve for x
    x = 1,214,031,763.24/39,202.08
  6. Step 6: Final answer
    x = 30,968.55

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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.