Home / 38,106.38-52,586.09-21,110.24

Finding the Fourth Proportional to 38,106.38, 52,586.09 and 21,110.24

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Solution

The fourth proportional to 38,106.38, 52,586.09 and 21,110.24 is: 29,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,106.38 : 52,586.09 = 21,110.24 : x
  2. Step 2: Convert to fraction form
    38,106.38/52,586.09 = 21,110.24/x
  3. Step 3: Cross multiply
    38,106.38x = 52,586.09 × 21,110.24
  4. Step 4: Simplify right side
    38,106.38x = 1,110,105,006.48
  5. Step 5: Solve for x
    x = 1,110,105,006.48/38,106.38
  6. Step 6: Final answer
    x = 29,131.74

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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.