Home / 47,817.90-71,724.06-18,238.73

Finding the Fourth Proportional to 47,817.90, 71,724.06 and 18,238.73

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Solution

The fourth proportional to 47,817.90, 71,724.06 and 18,238.73 is: 27,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,817.90 : 71,724.06 = 18,238.73 : x
  2. Step 2: Convert to fraction form
    47,817.90/71,724.06 = 18,238.73/x
  3. Step 3: Cross multiply
    47,817.90x = 71,724.06 × 18,238.73
  4. Step 4: Simplify right side
    47,817.90x = 1,308,155,406.22
  5. Step 5: Solve for x
    x = 1,308,155,406.22/47,817.90
  6. Step 6: Final answer
    x = 27,357.02

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1.5x scale

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.