Home / 32,880.57-45,377.96-20,133.69

Finding the Fourth Proportional to 32,880.57, 45,377.96 and 20,133.69

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Solution

The fourth proportional to 32,880.57, 45,377.96 and 20,133.69 is: 27,786.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,880.57 : 45,377.96 = 20,133.69 : x
  2. Step 2: Convert to fraction form
    32,880.57/45,377.96 = 20,133.69/x
  3. Step 3: Cross multiply
    32,880.57x = 45,377.96 × 20,133.69
  4. Step 4: Simplify right side
    32,880.57x = 913,625,678.80
  5. Step 5: Solve for x
    x = 913,625,678.80/32,880.57
  6. Step 6: Final answer
    x = 27,786.19

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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.