Home / 47,238.44-70,841.12-13,949.64

Finding the Fourth Proportional to 47,238.44, 70,841.12 and 13,949.64

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Solution

The fourth proportional to 47,238.44, 70,841.12 and 13,949.64 is: 20,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,238.44 : 70,841.12 = 13,949.64 : x
  2. Step 2: Convert to fraction form
    47,238.44/70,841.12 = 13,949.64/x
  3. Step 3: Cross multiply
    47,238.44x = 70,841.12 × 13,949.64
  4. Step 4: Simplify right side
    47,238.44x = 988,208,051.45
  5. Step 5: Solve for x
    x = 988,208,051.45/47,238.44
  6. Step 6: Final answer
    x = 20,919.58

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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.