Home / 40,019.32-60,028.30-11,939.46

Finding the Fourth Proportional to 40,019.32, 60,028.30 and 11,939.46

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Solution

The fourth proportional to 40,019.32, 60,028.30 and 11,939.46 is: 17,908.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.32 : 60,028.30 = 11,939.46 : x
  2. Step 2: Convert to fraction form
    40,019.32/60,028.30 = 11,939.46/x
  3. Step 3: Cross multiply
    40,019.32x = 60,028.30 × 11,939.46
  4. Step 4: Simplify right side
    40,019.32x = 716,705,486.72
  5. Step 5: Solve for x
    x = 716,705,486.72/40,019.32
  6. Step 6: Final answer
    x = 17,908.99

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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.