Home / 38,586.27-53,249.26-21,590.55

Finding the Fourth Proportional to 38,586.27, 53,249.26 and 21,590.55

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Solution

The fourth proportional to 38,586.27, 53,249.26 and 21,590.55 is: 29,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.27 : 53,249.26 = 21,590.55 : x
  2. Step 2: Convert to fraction form
    38,586.27/53,249.26 = 21,590.55/x
  3. Step 3: Cross multiply
    38,586.27x = 53,249.26 × 21,590.55
  4. Step 4: Simplify right side
    38,586.27x = 1,149,680,827.36
  5. Step 5: Solve for x
    x = 1,149,680,827.36/38,586.27
  6. Step 6: Final answer
    x = 29,795.07

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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.