Home / 38,589.63-53,252.24-21,822.99

Finding the Fourth Proportional to 38,589.63, 53,252.24 and 21,822.99

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Solution

The fourth proportional to 38,589.63, 53,252.24 and 21,822.99 is: 30,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,589.63 : 53,252.24 = 21,822.99 : x
  2. Step 2: Convert to fraction form
    38,589.63/53,252.24 = 21,822.99/x
  3. Step 3: Cross multiply
    38,589.63x = 53,252.24 × 21,822.99
  4. Step 4: Simplify right side
    38,589.63x = 1,162,122,991.88
  5. Step 5: Solve for x
    x = 1,162,122,991.88/38,589.63
  6. Step 6: Final answer
    x = 30,114.90

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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.