Home / 42,696.57-64,001.10-17,751.09

Finding the Fourth Proportional to 42,696.57, 64,001.10 and 17,751.09

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Solution

The fourth proportional to 42,696.57, 64,001.10 and 17,751.09 is: 26,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,696.57 : 64,001.10 = 17,751.09 : x
  2. Step 2: Convert to fraction form
    42,696.57/64,001.10 = 17,751.09/x
  3. Step 3: Cross multiply
    42,696.57x = 64,001.10 × 17,751.09
  4. Step 4: Simplify right side
    42,696.57x = 1,136,089,286.20
  5. Step 5: Solve for x
    x = 1,136,089,286.20/42,696.57
  6. Step 6: Final answer
    x = 26,608.44

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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.