Home / 38,553.57-53,199.24-21,323.61

Finding the Fourth Proportional to 38,553.57, 53,199.24 and 21,323.61

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Solution

The fourth proportional to 38,553.57, 53,199.24 and 21,323.61 is: 29,423.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,553.57 : 53,199.24 = 21,323.61 : x
  2. Step 2: Convert to fraction form
    38,553.57/53,199.24 = 21,323.61/x
  3. Step 3: Cross multiply
    38,553.57x = 53,199.24 × 21,323.61
  4. Step 4: Simplify right side
    38,553.57x = 1,134,399,846.06
  5. Step 5: Solve for x
    x = 1,134,399,846.06/38,553.57
  6. Step 6: Final answer
    x = 29,423.99

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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.