Home / 38,523.96-53,161.16-21,524.85

Finding the Fourth Proportional to 38,523.96, 53,161.16 and 21,524.85

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Solution

The fourth proportional to 38,523.96, 53,161.16 and 21,524.85 is: 29,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523.96 : 53,161.16 = 21,524.85 : x
  2. Step 2: Convert to fraction form
    38,523.96/53,161.16 = 21,524.85/x
  3. Step 3: Cross multiply
    38,523.96x = 53,161.16 × 21,524.85
  4. Step 4: Simplify right side
    38,523.96x = 1,144,285,887.20
  5. Step 5: Solve for x
    x = 1,144,285,887.20/38,523.96
  6. Step 6: Final answer
    x = 29,703.23

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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.