Home / 38,923.64-53,717.82-22,157.72

Finding the Fourth Proportional to 38,923.64, 53,717.82 and 22,157.72

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Solution

The fourth proportional to 38,923.64, 53,717.82 and 22,157.72 is: 30,579.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,923.64 : 53,717.82 = 22,157.72 : x
  2. Step 2: Convert to fraction form
    38,923.64/53,717.82 = 22,157.72/x
  3. Step 3: Cross multiply
    38,923.64x = 53,717.82 × 22,157.72
  4. Step 4: Simplify right side
    38,923.64x = 1,190,264,414.57
  5. Step 5: Solve for x
    x = 1,190,264,414.57/38,923.64
  6. Step 6: Final answer
    x = 30,579.47

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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.