Home / 38,853.12-53,617.52-22,945.42

Finding the Fourth Proportional to 38,853.12, 53,617.52 and 22,945.42

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Solution

The fourth proportional to 38,853.12, 53,617.52 and 22,945.42 is: 31,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,853.12 : 53,617.52 = 22,945.42 : x
  2. Step 2: Convert to fraction form
    38,853.12/53,617.52 = 22,945.42/x
  3. Step 3: Cross multiply
    38,853.12x = 53,617.52 × 22,945.42
  4. Step 4: Simplify right side
    38,853.12x = 1,230,276,515.76
  5. Step 5: Solve for x
    x = 1,230,276,515.76/38,853.12
  6. Step 6: Final answer
    x = 31,664.81

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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.