Home / 38,313.77-52,872.50-21,546.77

Finding the Fourth Proportional to 38,313.77, 52,872.50 and 21,546.77

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Solution

The fourth proportional to 38,313.77, 52,872.50 and 21,546.77 is: 29,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,313.77 : 52,872.50 = 21,546.77 : x
  2. Step 2: Convert to fraction form
    38,313.77/52,872.50 = 21,546.77/x
  3. Step 3: Cross multiply
    38,313.77x = 52,872.50 × 21,546.77
  4. Step 4: Simplify right side
    38,313.77x = 1,139,231,489.09
  5. Step 5: Solve for x
    x = 1,139,231,489.09/38,313.77
  6. Step 6: Final answer
    x = 29,734.26

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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.