Home / 38,581.20-53,237.43-21,586.37

Finding the Fourth Proportional to 38,581.20, 53,237.43 and 21,586.37

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Solution

The fourth proportional to 38,581.20, 53,237.43 and 21,586.37 is: 29,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,581.20 : 53,237.43 = 21,586.37 : x
  2. Step 2: Convert to fraction form
    38,581.20/53,237.43 = 21,586.37/x
  3. Step 3: Cross multiply
    38,581.20x = 53,237.43 × 21,586.37
  4. Step 4: Simplify right side
    38,581.20x = 1,149,202,595.64
  5. Step 5: Solve for x
    x = 1,149,202,595.64/38,581.20
  6. Step 6: Final answer
    x = 29,786.60

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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.