Home / 40,119.88-60,168.22-12,038.76

Finding the Fourth Proportional to 40,119.88, 60,168.22 and 12,038.76

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Solution

The fourth proportional to 40,119.88, 60,168.22 and 12,038.76 is: 18,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.88 : 60,168.22 = 12,038.76 : x
  2. Step 2: Convert to fraction form
    40,119.88/60,168.22 = 12,038.76/x
  3. Step 3: Cross multiply
    40,119.88x = 60,168.22 × 12,038.76
  4. Step 4: Simplify right side
    40,119.88x = 724,350,760.21
  5. Step 5: Solve for x
    x = 724,350,760.21/40,119.88
  6. Step 6: Final answer
    x = 18,054.66

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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.