Home / 31,356.41-43,269.59-17,928.23

Finding the Fourth Proportional to 31,356.41, 43,269.59 and 17,928.23

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Solution

The fourth proportional to 31,356.41, 43,269.59 and 17,928.23 is: 24,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,356.41 : 43,269.59 = 17,928.23 : x
  2. Step 2: Convert to fraction form
    31,356.41/43,269.59 = 17,928.23/x
  3. Step 3: Cross multiply
    31,356.41x = 43,269.59 × 17,928.23
  4. Step 4: Simplify right side
    31,356.41x = 775,746,855.54
  5. Step 5: Solve for x
    x = 775,746,855.54/31,356.41
  6. Step 6: Final answer
    x = 24,739.66

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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.