Home / 40,090.24-60,144.90-12,012.64

Finding the Fourth Proportional to 40,090.24, 60,144.90 and 12,012.64

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Solution

The fourth proportional to 40,090.24, 60,144.90 and 12,012.64 is: 18,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.24 : 60,144.90 = 12,012.64 : x
  2. Step 2: Convert to fraction form
    40,090.24/60,144.90 = 12,012.64/x
  3. Step 3: Cross multiply
    40,090.24x = 60,144.90 × 12,012.64
  4. Step 4: Simplify right side
    40,090.24x = 722,499,031.54
  5. Step 5: Solve for x
    x = 722,499,031.54/40,090.24
  6. Step 6: Final answer
    x = 18,021.82

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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.