Home / 36,099.75-49,819.55-21,764.16

Finding the Fourth Proportional to 36,099.75, 49,819.55 and 21,764.16

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Solution

The fourth proportional to 36,099.75, 49,819.55 and 21,764.16 is: 30,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,099.75 : 49,819.55 = 21,764.16 : x
  2. Step 2: Convert to fraction form
    36,099.75/49,819.55 = 21,764.16/x
  3. Step 3: Cross multiply
    36,099.75x = 49,819.55 × 21,764.16
  4. Step 4: Simplify right side
    36,099.75x = 1,084,280,548.51
  5. Step 5: Solve for x
    x = 1,084,280,548.51/36,099.75
  6. Step 6: Final answer
    x = 30,035.68

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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.