Home / 38,921.37-58,385.84-10,457.97

Finding the Fourth Proportional to 38,921.37, 58,385.84 and 10,457.97

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Solution

The fourth proportional to 38,921.37, 58,385.84 and 10,457.97 is: 15,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,921.37 : 58,385.84 = 10,457.97 : x
  2. Step 2: Convert to fraction form
    38,921.37/58,385.84 = 10,457.97/x
  3. Step 3: Cross multiply
    38,921.37x = 58,385.84 × 10,457.97
  4. Step 4: Simplify right side
    38,921.37x = 610,597,310.85
  5. Step 5: Solve for x
    x = 610,597,310.85/38,921.37
  6. Step 6: Final answer
    x = 15,687.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.