Home / 45,506.05-68,213.72-21,769.81

Finding the Fourth Proportional to 45,506.05, 68,213.72 and 21,769.81

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Solution

The fourth proportional to 45,506.05, 68,213.72 and 21,769.81 is: 32,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,506.05 : 68,213.72 = 21,769.81 : x
  2. Step 2: Convert to fraction form
    45,506.05/68,213.72 = 21,769.81/x
  3. Step 3: Cross multiply
    45,506.05x = 68,213.72 × 21,769.81
  4. Step 4: Simplify right side
    45,506.05x = 1,484,999,614.94
  5. Step 5: Solve for x
    x = 1,484,999,614.94/45,506.05
  6. Step 6: Final answer
    x = 32,633.02

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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.