Home / 33,129.46-45,719.94-18,985.11

Finding the Fourth Proportional to 33,129.46, 45,719.94 and 18,985.11

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Solution

The fourth proportional to 33,129.46, 45,719.94 and 18,985.11 is: 26,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,129.46 : 45,719.94 = 18,985.11 : x
  2. Step 2: Convert to fraction form
    33,129.46/45,719.94 = 18,985.11/x
  3. Step 3: Cross multiply
    33,129.46x = 45,719.94 × 18,985.11
  4. Step 4: Simplify right side
    33,129.46x = 867,998,090.09
  5. Step 5: Solve for x
    x = 867,998,090.09/33,129.46
  6. Step 6: Final answer
    x = 26,200.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.