Home / 45,236.72-67,805.40-18,958.16

Finding the Fourth Proportional to 45,236.72, 67,805.40 and 18,958.16

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Solution

The fourth proportional to 45,236.72, 67,805.40 and 18,958.16 is: 28,416.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,236.72 : 67,805.40 = 18,958.16 : x
  2. Step 2: Convert to fraction form
    45,236.72/67,805.40 = 18,958.16/x
  3. Step 3: Cross multiply
    45,236.72x = 67,805.40 × 18,958.16
  4. Step 4: Simplify right side
    45,236.72x = 1,285,465,622.06
  5. Step 5: Solve for x
    x = 1,285,465,622.06/45,236.72
  6. Step 6: Final answer
    x = 28,416.42

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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.