Home / 70,282.21-96,989.79-38,451.64

Finding the Fourth Proportional to 70,282.21, 96,989.79 and 38,451.64

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Solution

The fourth proportional to 70,282.21, 96,989.79 and 38,451.64 is: 53,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,282.21 : 96,989.79 = 38,451.64 : x
  2. Step 2: Convert to fraction form
    70,282.21/96,989.79 = 38,451.64/x
  3. Step 3: Cross multiply
    70,282.21x = 96,989.79 × 38,451.64
  4. Step 4: Simplify right side
    70,282.21x = 3,729,416,488.76
  5. Step 5: Solve for x
    x = 3,729,416,488.76/70,282.21
  6. Step 6: Final answer
    x = 53,063.45

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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.