Home / 32,694.85-45,107.28-21,370.88

Finding the Fourth Proportional to 32,694.85, 45,107.28 and 21,370.88

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Solution

The fourth proportional to 32,694.85, 45,107.28 and 21,370.88 is: 29,484.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,694.85 : 45,107.28 = 21,370.88 : x
  2. Step 2: Convert to fraction form
    32,694.85/45,107.28 = 21,370.88/x
  3. Step 3: Cross multiply
    32,694.85x = 45,107.28 × 21,370.88
  4. Step 4: Simplify right side
    32,694.85x = 963,982,380.77
  5. Step 5: Solve for x
    x = 963,982,380.77/32,694.85
  6. Step 6: Final answer
    x = 29,484.23

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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.