Home / 43,478.92-65,228.97-13,492.42

Finding the Fourth Proportional to 43,478.92, 65,228.97 and 13,492.42

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Solution

The fourth proportional to 43,478.92, 65,228.97 and 13,492.42 is: 20,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,478.92 : 65,228.97 = 13,492.42 : x
  2. Step 2: Convert to fraction form
    43,478.92/65,228.97 = 13,492.42/x
  3. Step 3: Cross multiply
    43,478.92x = 65,228.97 × 13,492.42
  4. Step 4: Simplify right side
    43,478.92x = 880,096,659.41
  5. Step 5: Solve for x
    x = 880,096,659.41/43,478.92
  6. Step 6: Final answer
    x = 20,241.92

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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.