Home / 33,129.32-45,719.67-18,984.90

Finding the Fourth Proportional to 33,129.32, 45,719.67 and 18,984.90

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Solution

The fourth proportional to 33,129.32, 45,719.67 and 18,984.90 is: 26,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,129.32 : 45,719.67 = 18,984.90 : x
  2. Step 2: Convert to fraction form
    33,129.32/45,719.67 = 18,984.90/x
  3. Step 3: Cross multiply
    33,129.32x = 45,719.67 × 18,984.90
  4. Step 4: Simplify right side
    33,129.32x = 867,983,362.98
  5. Step 5: Solve for x
    x = 867,983,362.98/33,129.32
  6. Step 6: Final answer
    x = 26,199.86

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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.