Home / 32,785.11-45,250.61-20,846.12

Finding the Fourth Proportional to 32,785.11, 45,250.61 and 20,846.12

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Solution

The fourth proportional to 32,785.11, 45,250.61 and 20,846.12 is: 28,772.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,785.11 : 45,250.61 = 20,846.12 : x
  2. Step 2: Convert to fraction form
    32,785.11/45,250.61 = 20,846.12/x
  3. Step 3: Cross multiply
    32,785.11x = 45,250.61 × 20,846.12
  4. Step 4: Simplify right side
    32,785.11x = 943,299,315.65
  5. Step 5: Solve for x
    x = 943,299,315.65/32,785.11
  6. Step 6: Final answer
    x = 28,772.19

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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.