Home / 79,221.28-118,832.13-20,056.96

Finding the Fourth Proportional to 79,221.28, 118,832.13 and 20,056.96

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Solution

The fourth proportional to 79,221.28, 118,832.13 and 20,056.96 is: 30,085.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,221.28 : 118,832.13 = 20,056.96 : x
  2. Step 2: Convert to fraction form
    79,221.28/118,832.13 = 20,056.96/x
  3. Step 3: Cross multiply
    79,221.28x = 118,832.13 × 20,056.96
  4. Step 4: Simplify right side
    79,221.28x = 2,383,411,278.12
  5. Step 5: Solve for x
    x = 2,383,411,278.12/79,221.28
  6. Step 6: Final answer
    x = 30,085.49

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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.