Home / 38,579.94-53,218.17-22,661.46

Finding the Fourth Proportional to 38,579.94, 53,218.17 and 22,661.46

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Solution

The fourth proportional to 38,579.94, 53,218.17 and 22,661.46 is: 31,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.94 : 53,218.17 = 22,661.46 : x
  2. Step 2: Convert to fraction form
    38,579.94/53,218.17 = 22,661.46/x
  3. Step 3: Cross multiply
    38,579.94x = 53,218.17 × 22,661.46
  4. Step 4: Simplify right side
    38,579.94x = 1,206,001,430.73
  5. Step 5: Solve for x
    x = 1,206,001,430.73/38,579.94
  6. Step 6: Final answer
    x = 31,259.81

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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.