Home / 43,175.70-64,669.80-20,942.34

Finding the Fourth Proportional to 43,175.70, 64,669.80 and 20,942.34

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Solution

The fourth proportional to 43,175.70, 64,669.80 and 20,942.34 is: 31,368.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,175.70 : 64,669.80 = 20,942.34 : x
  2. Step 2: Convert to fraction form
    43,175.70/64,669.80 = 20,942.34/x
  3. Step 3: Cross multiply
    43,175.70x = 64,669.80 × 20,942.34
  4. Step 4: Simplify right side
    43,175.70x = 1,354,336,939.33
  5. Step 5: Solve for x
    x = 1,354,336,939.33/43,175.70
  6. Step 6: Final answer
    x = 31,368.04

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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.