Home / 38,236.45-52,766.66-21,009.17

Finding the Fourth Proportional to 38,236.45, 52,766.66 and 21,009.17

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Solution

The fourth proportional to 38,236.45, 52,766.66 and 21,009.17 is: 28,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,236.45 : 52,766.66 = 21,009.17 : x
  2. Step 2: Convert to fraction form
    38,236.45/52,766.66 = 21,009.17/x
  3. Step 3: Cross multiply
    38,236.45x = 52,766.66 × 21,009.17
  4. Step 4: Simplify right side
    38,236.45x = 1,108,583,625.23
  5. Step 5: Solve for x
    x = 1,108,583,625.23/38,236.45
  6. Step 6: Final answer
    x = 28,992.85

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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.