Home / 37,819.23-52,186.05-21,900.57

Finding the Fourth Proportional to 37,819.23, 52,186.05 and 21,900.57

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Solution

The fourth proportional to 37,819.23, 52,186.05 and 21,900.57 is: 30,220.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,819.23 : 52,186.05 = 21,900.57 : x
  2. Step 2: Convert to fraction form
    37,819.23/52,186.05 = 21,900.57/x
  3. Step 3: Cross multiply
    37,819.23x = 52,186.05 × 21,900.57
  4. Step 4: Simplify right side
    37,819.23x = 1,142,904,241.05
  5. Step 5: Solve for x
    x = 1,142,904,241.05/37,819.23
  6. Step 6: Final answer
    x = 30,220.19

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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.