Home / 38,228.96-52,753.80-21,232.88

Finding the Fourth Proportional to 38,228.96, 52,753.80 and 21,232.88

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Solution

The fourth proportional to 38,228.96, 52,753.80 and 21,232.88 is: 29,300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,228.96 : 52,753.80 = 21,232.88 : x
  2. Step 2: Convert to fraction form
    38,228.96/52,753.80 = 21,232.88/x
  3. Step 3: Cross multiply
    38,228.96x = 52,753.80 × 21,232.88
  4. Step 4: Simplify right side
    38,228.96x = 1,120,115,104.94
  5. Step 5: Solve for x
    x = 1,120,115,104.94/38,228.96
  6. Step 6: Final answer
    x = 29,300.17

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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.