Home / 47,698.74-71,548.11-18,109.58

Finding the Fourth Proportional to 47,698.74, 71,548.11 and 18,109.58

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Solution

The fourth proportional to 47,698.74, 71,548.11 and 18,109.58 is: 27,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,698.74 : 71,548.11 = 18,109.58 : x
  2. Step 2: Convert to fraction form
    47,698.74/71,548.11 = 18,109.58/x
  3. Step 3: Cross multiply
    47,698.74x = 71,548.11 × 18,109.58
  4. Step 4: Simplify right side
    47,698.74x = 1,295,705,864.15
  5. Step 5: Solve for x
    x = 1,295,705,864.15/47,698.74
  6. Step 6: Final answer
    x = 27,164.36

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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.