Home / 40,170.15-60,254.91-12,090.08

Finding the Fourth Proportional to 40,170.15, 60,254.91 and 12,090.08

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Solution

The fourth proportional to 40,170.15, 60,254.91 and 12,090.08 is: 18,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.15 : 60,254.91 = 12,090.08 : x
  2. Step 2: Convert to fraction form
    40,170.15/60,254.91 = 12,090.08/x
  3. Step 3: Cross multiply
    40,170.15x = 60,254.91 × 12,090.08
  4. Step 4: Simplify right side
    40,170.15x = 728,486,832.93
  5. Step 5: Solve for x
    x = 728,486,832.93/40,170.15
  6. Step 6: Final answer
    x = 18,135.03

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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.