Home / 39,968.28-55,149.32-22,968.54

Finding the Fourth Proportional to 39,968.28, 55,149.32 and 22,968.54

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Solution

The fourth proportional to 39,968.28, 55,149.32 and 22,968.54 is: 31,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.28 : 55,149.32 = 22,968.54 : x
  2. Step 2: Convert to fraction form
    39,968.28/55,149.32 = 22,968.54/x
  3. Step 3: Cross multiply
    39,968.28x = 55,149.32 × 22,968.54
  4. Step 4: Simplify right side
    39,968.28x = 1,266,699,419.81
  5. Step 5: Solve for x
    x = 1,266,699,419.81/39,968.28
  6. Step 6: Final answer
    x = 31,692.62

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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.