Home / 31,890.26-44,007.35-17,742.80

Finding the Fourth Proportional to 31,890.26, 44,007.35 and 17,742.80

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Solution

The fourth proportional to 31,890.26, 44,007.35 and 17,742.80 is: 24,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,890.26 : 44,007.35 = 17,742.80 : x
  2. Step 2: Convert to fraction form
    31,890.26/44,007.35 = 17,742.80/x
  3. Step 3: Cross multiply
    31,890.26x = 44,007.35 × 17,742.80
  4. Step 4: Simplify right side
    31,890.26x = 780,813,300.83
  5. Step 5: Solve for x
    x = 780,813,300.83/31,890.26
  6. Step 6: Final answer
    x = 24,484.39

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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.