Home / 45,462.90-68,194.35-13,873.12

Finding the Fourth Proportional to 45,462.90, 68,194.35 and 13,873.12

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Solution

The fourth proportional to 45,462.90, 68,194.35 and 13,873.12 is: 20,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,462.90 : 68,194.35 = 13,873.12 : x
  2. Step 2: Convert to fraction form
    45,462.90/68,194.35 = 13,873.12/x
  3. Step 3: Cross multiply
    45,462.90x = 68,194.35 × 13,873.12
  4. Step 4: Simplify right side
    45,462.90x = 946,068,613.98
  5. Step 5: Solve for x
    x = 946,068,613.98/45,462.90
  6. Step 6: Final answer
    x = 20,809.69

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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.