Home / 45,937.35-68,906.34-12,659.22

Finding the Fourth Proportional to 45,937.35, 68,906.34 and 12,659.22

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Solution

The fourth proportional to 45,937.35, 68,906.34 and 12,659.22 is: 18,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,937.35 : 68,906.34 = 12,659.22 : x
  2. Step 2: Convert to fraction form
    45,937.35/68,906.34 = 12,659.22/x
  3. Step 3: Cross multiply
    45,937.35x = 68,906.34 × 12,659.22
  4. Step 4: Simplify right side
    45,937.35x = 872,300,517.45
  5. Step 5: Solve for x
    x = 872,300,517.45/45,937.35
  6. Step 6: Final answer
    x = 18,988.92

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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.