Home / 43,351.28-65,029.20-12,188.96

Finding the Fourth Proportional to 43,351.28, 65,029.20 and 12,188.96

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Solution

The fourth proportional to 43,351.28, 65,029.20 and 12,188.96 is: 18,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,351.28 : 65,029.20 = 12,188.96 : x
  2. Step 2: Convert to fraction form
    43,351.28/65,029.20 = 12,188.96/x
  3. Step 3: Cross multiply
    43,351.28x = 65,029.20 × 12,188.96
  4. Step 4: Simplify right side
    43,351.28x = 792,638,317.63
  5. Step 5: Solve for x
    x = 792,638,317.63/43,351.28
  6. Step 6: Final answer
    x = 18,284.08

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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.