Home / 72,003.60-108,001.44-22,083.75

Finding the Fourth Proportional to 72,003.60, 108,001.44 and 22,083.75

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Solution

The fourth proportional to 72,003.60, 108,001.44 and 22,083.75 is: 33,124.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,003.60 : 108,001.44 = 22,083.75 : x
  2. Step 2: Convert to fraction form
    72,003.60/108,001.44 = 22,083.75/x
  3. Step 3: Cross multiply
    72,003.60x = 108,001.44 × 22,083.75
  4. Step 4: Simplify right side
    72,003.60x = 2,385,076,800.60
  5. Step 5: Solve for x
    x = 2,385,076,800.60/72,003.60
  6. Step 6: Final answer
    x = 33,124.41

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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.