Home / 32,767.13-45,222.30-20,191.88

Finding the Fourth Proportional to 32,767.13, 45,222.30 and 20,191.88

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Solution

The fourth proportional to 32,767.13, 45,222.30 and 20,191.88 is: 27,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,767.13 : 45,222.30 = 20,191.88 : x
  2. Step 2: Convert to fraction form
    32,767.13/45,222.30 = 20,191.88/x
  3. Step 3: Cross multiply
    32,767.13x = 45,222.30 × 20,191.88
  4. Step 4: Simplify right side
    32,767.13x = 913,123,028.81
  5. Step 5: Solve for x
    x = 913,123,028.81/32,767.13
  6. Step 6: Final answer
    x = 27,867.05

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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.