Home / 37,906.56-52,313.40-21,778.92

Finding the Fourth Proportional to 37,906.56, 52,313.40 and 21,778.92

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Solution

The fourth proportional to 37,906.56, 52,313.40 and 21,778.92 is: 30,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,906.56 : 52,313.40 = 21,778.92 : x
  2. Step 2: Convert to fraction form
    37,906.56/52,313.40 = 21,778.92/x
  3. Step 3: Cross multiply
    37,906.56x = 52,313.40 × 21,778.92
  4. Step 4: Simplify right side
    37,906.56x = 1,139,329,353.53
  5. Step 5: Solve for x
    x = 1,139,329,353.53/37,906.56
  6. Step 6: Final answer
    x = 30,056.26

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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.