Home / 47,221.06-70,839.28-13,944.49

Finding the Fourth Proportional to 47,221.06, 70,839.28 and 13,944.49

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Solution

The fourth proportional to 47,221.06, 70,839.28 and 13,944.49 is: 20,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,221.06 : 70,839.28 = 13,944.49 : x
  2. Step 2: Convert to fraction form
    47,221.06/70,839.28 = 13,944.49/x
  3. Step 3: Cross multiply
    47,221.06x = 70,839.28 × 13,944.49
  4. Step 4: Simplify right side
    47,221.06x = 987,817,631.57
  5. Step 5: Solve for x
    x = 987,817,631.57/47,221.06
  6. Step 6: Final answer
    x = 20,919.01

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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.