Home / 32,387.18-44,694.99-19,640.78

Finding the Fourth Proportional to 32,387.18, 44,694.99 and 19,640.78

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Solution

The fourth proportional to 32,387.18, 44,694.99 and 19,640.78 is: 27,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,387.18 : 44,694.99 = 19,640.78 : x
  2. Step 2: Convert to fraction form
    32,387.18/44,694.99 = 19,640.78/x
  3. Step 3: Cross multiply
    32,387.18x = 44,694.99 × 19,640.78
  4. Step 4: Simplify right side
    32,387.18x = 877,844,465.69
  5. Step 5: Solve for x
    x = 877,844,465.69/32,387.18
  6. Step 6: Final answer
    x = 27,104.69

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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.