Home / 32,838.91-45,317.75-18,691.75

Finding the Fourth Proportional to 32,838.91, 45,317.75 and 18,691.75

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Solution

The fourth proportional to 32,838.91, 45,317.75 and 18,691.75 is: 25,794.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,838.91 : 45,317.75 = 18,691.75 : x
  2. Step 2: Convert to fraction form
    32,838.91/45,317.75 = 18,691.75/x
  3. Step 3: Cross multiply
    32,838.91x = 45,317.75 × 18,691.75
  4. Step 4: Simplify right side
    32,838.91x = 847,067,960.10
  5. Step 5: Solve for x
    x = 847,067,960.10/32,838.91
  6. Step 6: Final answer
    x = 25,794.64

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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.