Home / 37,861.70-52,250.22-21,095.78

Finding the Fourth Proportional to 37,861.70, 52,250.22 and 21,095.78

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Solution

The fourth proportional to 37,861.70, 52,250.22 and 21,095.78 is: 29,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,861.70 : 52,250.22 = 21,095.78 : x
  2. Step 2: Convert to fraction form
    37,861.70/52,250.22 = 21,095.78/x
  3. Step 3: Cross multiply
    37,861.70x = 52,250.22 × 21,095.78
  4. Step 4: Simplify right side
    37,861.70x = 1,102,258,884.82
  5. Step 5: Solve for x
    x = 1,102,258,884.82/37,861.70
  6. Step 6: Final answer
    x = 29,112.77

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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.