Home / 39,220.80-54,104.77-25,616.81

Finding the Fourth Proportional to 39,220.80, 54,104.77 and 25,616.81

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Solution

The fourth proportional to 39,220.80, 54,104.77 and 25,616.81 is: 35,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.80 : 54,104.77 = 25,616.81 : x
  2. Step 2: Convert to fraction form
    39,220.80/54,104.77 = 25,616.81/x
  3. Step 3: Cross multiply
    39,220.80x = 54,104.77 × 25,616.81
  4. Step 4: Simplify right side
    39,220.80x = 1,385,991,485.10
  5. Step 5: Solve for x
    x = 1,385,991,485.10/39,220.80
  6. Step 6: Final answer
    x = 35,338.17

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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.