Home / 38,639.62-53,270.31-33,034.57

Finding the Fourth Proportional to 38,639.62, 53,270.31 and 33,034.57

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Solution

The fourth proportional to 38,639.62, 53,270.31 and 33,034.57 is: 45,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639.62 : 53,270.31 = 33,034.57 : x
  2. Step 2: Convert to fraction form
    38,639.62/53,270.31 = 33,034.57/x
  3. Step 3: Cross multiply
    38,639.62x = 53,270.31 × 33,034.57
  4. Step 4: Simplify right side
    38,639.62x = 1,759,761,784.62
  5. Step 5: Solve for x
    x = 1,759,761,784.62/38,639.62
  6. Step 6: Final answer
    x = 45,542.94

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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.