Home / 47,849.92-71,777.52-18,270.16

Finding the Fourth Proportional to 47,849.92, 71,777.52 and 18,270.16

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Solution

The fourth proportional to 47,849.92, 71,777.52 and 18,270.16 is: 27,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,849.92 : 71,777.52 = 18,270.16 : x
  2. Step 2: Convert to fraction form
    47,849.92/71,777.52 = 18,270.16/x
  3. Step 3: Cross multiply
    47,849.92x = 71,777.52 × 18,270.16
  4. Step 4: Simplify right side
    47,849.92x = 1,311,386,774.80
  5. Step 5: Solve for x
    x = 1,311,386,774.80/47,849.92
  6. Step 6: Final answer
    x = 27,406.25

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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.