Home / 67,036.80-100,577.07-31,971.90

Finding the Fourth Proportional to 67,036.80, 100,577.07 and 31,971.90

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Solution

The fourth proportional to 67,036.80, 100,577.07 and 31,971.90 is: 47,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,036.80 : 100,577.07 = 31,971.90 : x
  2. Step 2: Convert to fraction form
    67,036.80/100,577.07 = 31,971.90/x
  3. Step 3: Cross multiply
    67,036.80x = 100,577.07 × 31,971.90
  4. Step 4: Simplify right side
    67,036.80x = 3,215,640,024.33
  5. Step 5: Solve for x
    x = 3,215,640,024.33/67,036.80
  6. Step 6: Final answer
    x = 47,968.28

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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.