Home / 40,021.64-60,035.44-11,939.48

Finding the Fourth Proportional to 40,021.64, 60,035.44 and 11,939.48

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Solution

The fourth proportional to 40,021.64, 60,035.44 and 11,939.48 is: 17,910.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.64 : 60,035.44 = 11,939.48 : x
  2. Step 2: Convert to fraction form
    40,021.64/60,035.44 = 11,939.48/x
  3. Step 3: Cross multiply
    40,021.64x = 60,035.44 × 11,939.48
  4. Step 4: Simplify right side
    40,021.64x = 716,791,935.17
  5. Step 5: Solve for x
    x = 716,791,935.17/40,021.64
  6. Step 6: Final answer
    x = 17,910.11

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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.