Home / 71,897.03-107,845.83-21,976.93

Finding the Fourth Proportional to 71,897.03, 107,845.83 and 21,976.93

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Solution

The fourth proportional to 71,897.03, 107,845.83 and 21,976.93 is: 32,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,897.03 : 107,845.83 = 21,976.93 : x
  2. Step 2: Convert to fraction form
    71,897.03/107,845.83 = 21,976.93/x
  3. Step 3: Cross multiply
    71,897.03x = 107,845.83 × 21,976.93
  4. Step 4: Simplify right side
    71,897.03x = 2,370,120,646.11
  5. Step 5: Solve for x
    x = 2,370,120,646.11/71,897.03
  6. Step 6: Final answer
    x = 32,965.49

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1.5x scale

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.