Home / 38,505.15-53,136.68-22,586.54

Finding the Fourth Proportional to 38,505.15, 53,136.68 and 22,586.54

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Solution

The fourth proportional to 38,505.15, 53,136.68 and 22,586.54 is: 31,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,505.15 : 53,136.68 = 22,586.54 : x
  2. Step 2: Convert to fraction form
    38,505.15/53,136.68 = 22,586.54/x
  3. Step 3: Cross multiply
    38,505.15x = 53,136.68 × 22,586.54
  4. Step 4: Simplify right side
    38,505.15x = 1,200,173,369.67
  5. Step 5: Solve for x
    x = 1,200,173,369.67/38,505.15
  6. Step 6: Final answer
    x = 31,169.16

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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.