Home / 72,334.19-108,511.55-22,418.21

Finding the Fourth Proportional to 72,334.19, 108,511.55 and 22,418.21

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Solution

The fourth proportional to 72,334.19, 108,511.55 and 22,418.21 is: 33,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,334.19 : 108,511.55 = 22,418.21 : x
  2. Step 2: Convert to fraction form
    72,334.19/108,511.55 = 22,418.21/x
  3. Step 3: Cross multiply
    72,334.19x = 108,511.55 × 22,418.21
  4. Step 4: Simplify right side
    72,334.19x = 2,432,634,060.68
  5. Step 5: Solve for x
    x = 2,432,634,060.68/72,334.19
  6. Step 6: Final answer
    x = 33,630.49

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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.