Home / 38,727.75-53,436.06-22,806.39

Finding the Fourth Proportional to 38,727.75, 53,436.06 and 22,806.39

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Solution

The fourth proportional to 38,727.75, 53,436.06 and 22,806.39 is: 31,467.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,727.75 : 53,436.06 = 22,806.39 : x
  2. Step 2: Convert to fraction form
    38,727.75/53,436.06 = 22,806.39/x
  3. Step 3: Cross multiply
    38,727.75x = 53,436.06 × 22,806.39
  4. Step 4: Simplify right side
    38,727.75x = 1,218,683,624.42
  5. Step 5: Solve for x
    x = 1,218,683,624.42/38,727.75
  6. Step 6: Final answer
    x = 31,467.97

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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.