Home / 40,028.16-55,245.72-23,270.88

Finding the Fourth Proportional to 40,028.16, 55,245.72 and 23,270.88

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Solution

The fourth proportional to 40,028.16, 55,245.72 and 23,270.88 is: 32,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,028.16 : 55,245.72 = 23,270.88 : x
  2. Step 2: Convert to fraction form
    40,028.16/55,245.72 = 23,270.88/x
  3. Step 3: Cross multiply
    40,028.16x = 55,245.72 × 23,270.88
  4. Step 4: Simplify right side
    40,028.16x = 1,285,616,520.63
  5. Step 5: Solve for x
    x = 1,285,616,520.63/40,028.16
  6. Step 6: Final answer
    x = 32,117.80

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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.