Home / 40,270.44-60,405.66-13,975.20

Finding the Fourth Proportional to 40,270.44, 60,405.66 and 13,975.20

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Solution

The fourth proportional to 40,270.44, 60,405.66 and 13,975.20 is: 20,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,270.44 : 60,405.66 = 13,975.20 : x
  2. Step 2: Convert to fraction form
    40,270.44/60,405.66 = 13,975.20/x
  3. Step 3: Cross multiply
    40,270.44x = 60,405.66 × 13,975.20
  4. Step 4: Simplify right side
    40,270.44x = 844,181,179.63
  5. Step 5: Solve for x
    x = 844,181,179.63/40,270.44
  6. Step 6: Final answer
    x = 20,962.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.