Home / 47,143.06-70,667.87-22,138.35

Finding the Fourth Proportional to 47,143.06, 70,667.87 and 22,138.35

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Solution

The fourth proportional to 47,143.06, 70,667.87 and 22,138.35 is: 33,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,143.06 : 70,667.87 = 22,138.35 : x
  2. Step 2: Convert to fraction form
    47,143.06/70,667.87 = 22,138.35/x
  3. Step 3: Cross multiply
    47,143.06x = 70,667.87 × 22,138.35
  4. Step 4: Simplify right side
    47,143.06x = 1,564,469,741.82
  5. Step 5: Solve for x
    x = 1,564,469,741.82/47,143.06
  6. Step 6: Final answer
    x = 33,185.58

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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.