Home / 36,015.48-49,701.27-20,099.91

Finding the Fourth Proportional to 36,015.48, 49,701.27 and 20,099.91

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Solution

The fourth proportional to 36,015.48, 49,701.27 and 20,099.91 is: 27,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.48 : 49,701.27 = 20,099.91 : x
  2. Step 2: Convert to fraction form
    36,015.48/49,701.27 = 20,099.91/x
  3. Step 3: Cross multiply
    36,015.48x = 49,701.27 × 20,099.91
  4. Step 4: Simplify right side
    36,015.48x = 998,991,053.89
  5. Step 5: Solve for x
    x = 998,991,053.89/36,015.48
  6. Step 6: Final answer
    x = 27,737.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.