Home / 38,832.52-53,517.80-28,203.70

Finding the Fourth Proportional to 38,832.52, 53,517.80 and 28,203.70

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Solution

The fourth proportional to 38,832.52, 53,517.80 and 28,203.70 is: 38,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,832.52 : 53,517.80 = 28,203.70 : x
  2. Step 2: Convert to fraction form
    38,832.52/53,517.80 = 28,203.70/x
  3. Step 3: Cross multiply
    38,832.52x = 53,517.80 × 28,203.70
  4. Step 4: Simplify right side
    38,832.52x = 1,509,399,975.86
  5. Step 5: Solve for x
    x = 1,509,399,975.86/38,832.52
  6. Step 6: Final answer
    x = 38,869.48

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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.