Home / 62,987.45-86,918.68-34,693.14

Finding the Fourth Proportional to 62,987.45, 86,918.68 and 34,693.14

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Solution

The fourth proportional to 62,987.45, 86,918.68 and 34,693.14 is: 47,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,987.45 : 86,918.68 = 34,693.14 : x
  2. Step 2: Convert to fraction form
    62,987.45/86,918.68 = 34,693.14/x
  3. Step 3: Cross multiply
    62,987.45x = 86,918.68 × 34,693.14
  4. Step 4: Simplify right side
    62,987.45x = 3,015,481,933.86
  5. Step 5: Solve for x
    x = 3,015,481,933.86/62,987.45
  6. Step 6: Final answer
    x = 47,874.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.