Home / 32,711.68-45,155.58-22,115.56

Finding the Fourth Proportional to 32,711.68, 45,155.58 and 22,115.56

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Solution

The fourth proportional to 32,711.68, 45,155.58 and 22,115.56 is: 30,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,711.68 : 45,155.58 = 22,115.56 : x
  2. Step 2: Convert to fraction form
    32,711.68/45,155.58 = 22,115.56/x
  3. Step 3: Cross multiply
    32,711.68x = 45,155.58 × 22,115.56
  4. Step 4: Simplify right side
    32,711.68x = 998,640,938.82
  5. Step 5: Solve for x
    x = 998,640,938.82/32,711.68
  6. Step 6: Final answer
    x = 30,528.57

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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.