Home / 40,637.10-60,962.42-13,982

Finding the Fourth Proportional to 40,637.10, 60,962.42 and 13,982

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Solution

The fourth proportional to 40,637.10, 60,962.42 and 13,982 is: 20,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,637.10 : 60,962.42 = 13,982 : x
  2. Step 2: Convert to fraction form
    40,637.10/60,962.42 = 13,982/x
  3. Step 3: Cross multiply
    40,637.10x = 60,962.42 × 13,982
  4. Step 4: Simplify right side
    40,637.10x = 852,376,556.44
  5. Step 5: Solve for x
    x = 852,376,556.44/40,637.10
  6. Step 6: Final answer
    x = 20,975.33

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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.