Home / 31,323.69-43,226.79-16,983.75

Finding the Fourth Proportional to 31,323.69, 43,226.79 and 16,983.75

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Solution

The fourth proportional to 31,323.69, 43,226.79 and 16,983.75 is: 23,437.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,323.69 : 43,226.79 = 16,983.75 : x
  2. Step 2: Convert to fraction form
    31,323.69/43,226.79 = 16,983.75/x
  3. Step 3: Cross multiply
    31,323.69x = 43,226.79 × 16,983.75
  4. Step 4: Simplify right side
    31,323.69x = 734,152,994.66
  5. Step 5: Solve for x
    x = 734,152,994.66/31,323.69
  6. Step 6: Final answer
    x = 23,437.63

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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.