Home / 38,596.79-53,261.99-21,601.75

Finding the Fourth Proportional to 38,596.79, 53,261.99 and 21,601.75

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Solution

The fourth proportional to 38,596.79, 53,261.99 and 21,601.75 is: 29,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,596.79 : 53,261.99 = 21,601.75 : x
  2. Step 2: Convert to fraction form
    38,596.79/53,261.99 = 21,601.75/x
  3. Step 3: Cross multiply
    38,596.79x = 53,261.99 × 21,601.75
  4. Step 4: Simplify right side
    38,596.79x = 1,150,552,298.22
  5. Step 5: Solve for x
    x = 1,150,552,298.22/38,596.79
  6. Step 6: Final answer
    x = 29,809.53

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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.