Home / 62,911.09-94,346.37-20,781.37

Finding the Fourth Proportional to 62,911.09, 94,346.37 and 20,781.37

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Solution

The fourth proportional to 62,911.09, 94,346.37 and 20,781.37 is: 31,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,911.09 : 94,346.37 = 20,781.37 : x
  2. Step 2: Convert to fraction form
    62,911.09/94,346.37 = 20,781.37/x
  3. Step 3: Cross multiply
    62,911.09x = 94,346.37 × 20,781.37
  4. Step 4: Simplify right side
    62,911.09x = 1,960,646,823.13
  5. Step 5: Solve for x
    x = 1,960,646,823.13/62,911.09
  6. Step 6: Final answer
    x = 31,165.36

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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.