Home / 42,975.76-64,461.04-25,556.44

Finding the Fourth Proportional to 42,975.76, 64,461.04 and 25,556.44

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Solution

The fourth proportional to 42,975.76, 64,461.04 and 25,556.44 is: 38,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,975.76 : 64,461.04 = 25,556.44 : x
  2. Step 2: Convert to fraction form
    42,975.76/64,461.04 = 25,556.44/x
  3. Step 3: Cross multiply
    42,975.76x = 64,461.04 × 25,556.44
  4. Step 4: Simplify right side
    42,975.76x = 1,647,394,701.10
  5. Step 5: Solve for x
    x = 1,647,394,701.10/42,975.76
  6. Step 6: Final answer
    x = 38,333.11

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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.