Home / 38,244.51-52,778.88-21,249.99

Finding the Fourth Proportional to 38,244.51, 52,778.88 and 21,249.99

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Solution

The fourth proportional to 38,244.51, 52,778.88 and 21,249.99 is: 29,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,244.51 : 52,778.88 = 21,249.99 : x
  2. Step 2: Convert to fraction form
    38,244.51/52,778.88 = 21,249.99/x
  3. Step 3: Cross multiply
    38,244.51x = 52,778.88 × 21,249.99
  4. Step 4: Simplify right side
    38,244.51x = 1,121,550,672.21
  5. Step 5: Solve for x
    x = 1,121,550,672.21/38,244.51
  6. Step 6: Final answer
    x = 29,325.80

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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.