Home / 38,076.08-52,545.06-21,081.50

Finding the Fourth Proportional to 38,076.08, 52,545.06 and 21,081.50

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Solution

The fourth proportional to 38,076.08, 52,545.06 and 21,081.50 is: 29,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,076.08 : 52,545.06 = 21,081.50 : x
  2. Step 2: Convert to fraction form
    38,076.08/52,545.06 = 21,081.50/x
  3. Step 3: Cross multiply
    38,076.08x = 52,545.06 × 21,081.50
  4. Step 4: Simplify right side
    38,076.08x = 1,107,728,682.39
  5. Step 5: Solve for x
    x = 1,107,728,682.39/38,076.08
  6. Step 6: Final answer
    x = 29,092.51

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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.