Home / 47,883.20-71,824.80-18,285.80

Finding the Fourth Proportional to 47,883.20, 71,824.80 and 18,285.80

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Solution

The fourth proportional to 47,883.20, 71,824.80 and 18,285.80 is: 27,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,883.20 : 71,824.80 = 18,285.80 : x
  2. Step 2: Convert to fraction form
    47,883.20/71,824.80 = 18,285.80/x
  3. Step 3: Cross multiply
    47,883.20x = 71,824.80 × 18,285.80
  4. Step 4: Simplify right side
    47,883.20x = 1,313,373,927.84
  5. Step 5: Solve for x
    x = 1,313,373,927.84/47,883.20
  6. Step 6: Final answer
    x = 27,428.70

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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.