Home / 45,244.08-67,874.97-13,656.72

Finding the Fourth Proportional to 45,244.08, 67,874.97 and 13,656.72

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Solution

The fourth proportional to 45,244.08, 67,874.97 and 13,656.72 is: 20,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,244.08 : 67,874.97 = 13,656.72 : x
  2. Step 2: Convert to fraction form
    45,244.08/67,874.97 = 13,656.72/x
  3. Step 3: Cross multiply
    45,244.08x = 67,874.97 × 13,656.72
  4. Step 4: Simplify right side
    45,244.08x = 926,949,460.30
  5. Step 5: Solve for x
    x = 926,949,460.30/45,244.08
  6. Step 6: Final answer
    x = 20,487.75

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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.