Home / 45,292.70-67,634.06-36,989.20

Finding the Fourth Proportional to 45,292.70, 67,634.06 and 36,989.20

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Solution

The fourth proportional to 45,292.70, 67,634.06 and 36,989.20 is: 55,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,292.70 : 67,634.06 = 36,989.20 : x
  2. Step 2: Convert to fraction form
    45,292.70/67,634.06 = 36,989.20/x
  3. Step 3: Cross multiply
    45,292.70x = 67,634.06 × 36,989.20
  4. Step 4: Simplify right side
    45,292.70x = 2,501,729,772.15
  5. Step 5: Solve for x
    x = 2,501,729,772.15/45,292.70
  6. Step 6: Final answer
    x = 55,234.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.