Home / 38,589.76-53,252.06-21,596.16

Finding the Fourth Proportional to 38,589.76, 53,252.06 and 21,596.16

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Solution

The fourth proportional to 38,589.76, 53,252.06 and 21,596.16 is: 29,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,589.76 : 53,252.06 = 21,596.16 : x
  2. Step 2: Convert to fraction form
    38,589.76/53,252.06 = 21,596.16/x
  3. Step 3: Cross multiply
    38,589.76x = 53,252.06 × 21,596.16
  4. Step 4: Simplify right side
    38,589.76x = 1,150,039,900.11
  5. Step 5: Solve for x
    x = 1,150,039,900.11/38,589.76
  6. Step 6: Final answer
    x = 29,801.69

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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.