Home / 31,592.30-43,582.46-18,838.22

Finding the Fourth Proportional to 31,592.30, 43,582.46 and 18,838.22

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Solution

The fourth proportional to 31,592.30, 43,582.46 and 18,838.22 is: 25,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592.30 : 43,582.46 = 18,838.22 : x
  2. Step 2: Convert to fraction form
    31,592.30/43,582.46 = 18,838.22/x
  3. Step 3: Cross multiply
    31,592.30x = 43,582.46 × 18,838.22
  4. Step 4: Simplify right side
    31,592.30x = 821,015,969.62
  5. Step 5: Solve for x
    x = 821,015,969.62/31,592.30
  6. Step 6: Final answer
    x = 25,987.85

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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.