Home / 47,079.50-70,619.23-12,019.15

Finding the Fourth Proportional to 47,079.50, 70,619.23 and 12,019.15

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Solution

The fourth proportional to 47,079.50, 70,619.23 and 12,019.15 is: 18,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,079.50 : 70,619.23 = 12,019.15 : x
  2. Step 2: Convert to fraction form
    47,079.50/70,619.23 = 12,019.15/x
  3. Step 3: Cross multiply
    47,079.50x = 70,619.23 × 12,019.15
  4. Step 4: Simplify right side
    47,079.50x = 848,782,911.66
  5. Step 5: Solve for x
    x = 848,782,911.66/47,079.50
  6. Step 6: Final answer
    x = 18,028.71

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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.