Home / 47,842.56-71,734.68-18,228.84

Finding the Fourth Proportional to 47,842.56, 71,734.68 and 18,228.84

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Solution

The fourth proportional to 47,842.56, 71,734.68 and 18,228.84 is: 27,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,842.56 : 71,734.68 = 18,228.84 : x
  2. Step 2: Convert to fraction form
    47,842.56/71,734.68 = 18,228.84/x
  3. Step 3: Cross multiply
    47,842.56x = 71,734.68 × 18,228.84
  4. Step 4: Simplify right side
    47,842.56x = 1,307,640,004.17
  5. Step 5: Solve for x
    x = 1,307,640,004.17/47,842.56
  6. Step 6: Final answer
    x = 27,332.15

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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.