Home / 47,120.36-70,680.58-22,142.09

Finding the Fourth Proportional to 47,120.36, 70,680.58 and 22,142.09

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Solution

The fourth proportional to 47,120.36, 70,680.58 and 22,142.09 is: 33,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,120.36 : 70,680.58 = 22,142.09 : x
  2. Step 2: Convert to fraction form
    47,120.36/70,680.58 = 22,142.09/x
  3. Step 3: Cross multiply
    47,120.36x = 70,680.58 × 22,142.09
  4. Step 4: Simplify right side
    47,120.36x = 1,565,015,354.85
  5. Step 5: Solve for x
    x = 1,565,015,354.85/47,120.36
  6. Step 6: Final answer
    x = 33,213.15

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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.