Home / 47,001.87-70,499.06-18,902.12

Finding the Fourth Proportional to 47,001.87, 70,499.06 and 18,902.12

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Solution

The fourth proportional to 47,001.87, 70,499.06 and 18,902.12 is: 28,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,001.87 : 70,499.06 = 18,902.12 : x
  2. Step 2: Convert to fraction form
    47,001.87/70,499.06 = 18,902.12/x
  3. Step 3: Cross multiply
    47,001.87x = 70,499.06 × 18,902.12
  4. Step 4: Simplify right side
    47,001.87x = 1,332,581,245.00
  5. Step 5: Solve for x
    x = 1,332,581,245.00/47,001.87
  6. Step 6: Final answer
    x = 28,351.66

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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.