Home / 38,282.43-52,826.61-21,285.30

Finding the Fourth Proportional to 38,282.43, 52,826.61 and 21,285.30

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Solution

The fourth proportional to 38,282.43, 52,826.61 and 21,285.30 is: 29,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,282.43 : 52,826.61 = 21,285.30 : x
  2. Step 2: Convert to fraction form
    38,282.43/52,826.61 = 21,285.30/x
  3. Step 3: Cross multiply
    38,282.43x = 52,826.61 × 21,285.30
  4. Step 4: Simplify right side
    38,282.43x = 1,124,430,241.83
  5. Step 5: Solve for x
    x = 1,124,430,241.83/38,282.43
  6. Step 6: Final answer
    x = 29,371.97

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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.