Home / 40,019.05-60,031.61-11,936.91

Finding the Fourth Proportional to 40,019.05, 60,031.61 and 11,936.91

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Solution

The fourth proportional to 40,019.05, 60,031.61 and 11,936.91 is: 17,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.05 : 60,031.61 = 11,936.91 : x
  2. Step 2: Convert to fraction form
    40,019.05/60,031.61 = 11,936.91/x
  3. Step 3: Cross multiply
    40,019.05x = 60,031.61 × 11,936.91
  4. Step 4: Simplify right side
    40,019.05x = 716,591,925.73
  5. Step 5: Solve for x
    x = 716,591,925.73/40,019.05
  6. Step 6: Final answer
    x = 17,906.27

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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.