Home / 40,220.48-55,485.60-25,103.36

Finding the Fourth Proportional to 40,220.48, 55,485.60 and 25,103.36

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Solution

The fourth proportional to 40,220.48, 55,485.60 and 25,103.36 is: 34,630.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220.48 : 55,485.60 = 25,103.36 : x
  2. Step 2: Convert to fraction form
    40,220.48/55,485.60 = 25,103.36/x
  3. Step 3: Cross multiply
    40,220.48x = 55,485.60 × 25,103.36
  4. Step 4: Simplify right side
    40,220.48x = 1,392,874,991.62
  5. Step 5: Solve for x
    x = 1,392,874,991.62/40,220.48
  6. Step 6: Final answer
    x = 34,630.99

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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.