Home / 31,919.27-44,036.61-18,485.62

Finding the Fourth Proportional to 31,919.27, 44,036.61 and 18,485.62

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Solution

The fourth proportional to 31,919.27, 44,036.61 and 18,485.62 is: 25,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,919.27 : 44,036.61 = 18,485.62 : x
  2. Step 2: Convert to fraction form
    31,919.27/44,036.61 = 18,485.62/x
  3. Step 3: Cross multiply
    31,919.27x = 44,036.61 × 18,485.62
  4. Step 4: Simplify right side
    31,919.27x = 814,043,963.12
  5. Step 5: Solve for x
    x = 814,043,963.12/31,919.27
  6. Step 6: Final answer
    x = 25,503.22

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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.