Home / 40,143.74-60,213.26-12,063.20

Finding the Fourth Proportional to 40,143.74, 60,213.26 and 12,063.20

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Solution

The fourth proportional to 40,143.74, 60,213.26 and 12,063.20 is: 18,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.74 : 60,213.26 = 12,063.20 : x
  2. Step 2: Convert to fraction form
    40,143.74/60,213.26 = 12,063.20/x
  3. Step 3: Cross multiply
    40,143.74x = 60,213.26 × 12,063.20
  4. Step 4: Simplify right side
    40,143.74x = 726,364,327.12
  5. Step 5: Solve for x
    x = 726,364,327.12/40,143.74
  6. Step 6: Final answer
    x = 18,094.09

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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.