Home / 38,003.52-52,439.68-21,237.60

Finding the Fourth Proportional to 38,003.52, 52,439.68 and 21,237.60

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Solution

The fourth proportional to 38,003.52, 52,439.68 and 21,237.60 is: 29,304.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,003.52 : 52,439.68 = 21,237.60 : x
  2. Step 2: Convert to fraction form
    38,003.52/52,439.68 = 21,237.60/x
  3. Step 3: Cross multiply
    38,003.52x = 52,439.68 × 21,237.60
  4. Step 4: Simplify right side
    38,003.52x = 1,113,692,947.97
  5. Step 5: Solve for x
    x = 1,113,692,947.97/38,003.52
  6. Step 6: Final answer
    x = 29,304.99

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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.