Home / 38,591.91-53,257.80-21,596.03

Finding the Fourth Proportional to 38,591.91, 53,257.80 and 21,596.03

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Solution

The fourth proportional to 38,591.91, 53,257.80 and 21,596.03 is: 29,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,591.91 : 53,257.80 = 21,596.03 : x
  2. Step 2: Convert to fraction form
    38,591.91/53,257.80 = 21,596.03/x
  3. Step 3: Cross multiply
    38,591.91x = 53,257.80 × 21,596.03
  4. Step 4: Simplify right side
    38,591.91x = 1,150,156,780.25
  5. Step 5: Solve for x
    x = 1,150,156,780.25/38,591.91
  6. Step 6: Final answer
    x = 29,803.05

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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.