Home / 70,282.18-96,990.50-38,451.61

Finding the Fourth Proportional to 70,282.18, 96,990.50 and 38,451.61

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Solution

The fourth proportional to 70,282.18, 96,990.50 and 38,451.61 is: 53,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,282.18 : 96,990.50 = 38,451.61 : x
  2. Step 2: Convert to fraction form
    70,282.18/96,990.50 = 38,451.61/x
  3. Step 3: Cross multiply
    70,282.18x = 96,990.50 × 38,451.61
  4. Step 4: Simplify right side
    70,282.18x = 3,729,440,202.49
  5. Step 5: Solve for x
    x = 3,729,440,202.49/70,282.18
  6. Step 6: Final answer
    x = 53,063.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.