Home / 32,694.90-45,111.78-20,753.88

Finding the Fourth Proportional to 32,694.90, 45,111.78 and 20,753.88

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Solution

The fourth proportional to 32,694.90, 45,111.78 and 20,753.88 is: 28,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,694.90 : 45,111.78 = 20,753.88 : x
  2. Step 2: Convert to fraction form
    32,694.90/45,111.78 = 20,753.88/x
  3. Step 3: Cross multiply
    32,694.90x = 45,111.78 × 20,753.88
  4. Step 4: Simplify right side
    32,694.90x = 936,244,468.71
  5. Step 5: Solve for x
    x = 936,244,468.71/32,694.90
  6. Step 6: Final answer
    x = 28,635.80

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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.