Home / 38,229.08-52,754.36-21,234.40

Finding the Fourth Proportional to 38,229.08, 52,754.36 and 21,234.40

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Solution

The fourth proportional to 38,229.08, 52,754.36 and 21,234.40 is: 29,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,229.08 : 52,754.36 = 21,234.40 : x
  2. Step 2: Convert to fraction form
    38,229.08/52,754.36 = 21,234.40/x
  3. Step 3: Cross multiply
    38,229.08x = 52,754.36 × 21,234.40
  4. Step 4: Simplify right side
    38,229.08x = 1,120,206,943.93
  5. Step 5: Solve for x
    x = 1,120,206,943.93/38,229.08
  6. Step 6: Final answer
    x = 29,302.49

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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.