Home / 31,443.73-47,161.99-11,722.93

Finding the Fourth Proportional to 31,443.73, 47,161.99 and 11,722.93

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Solution

The fourth proportional to 31,443.73, 47,161.99 and 11,722.93 is: 17,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,443.73 : 47,161.99 = 11,722.93 : x
  2. Step 2: Convert to fraction form
    31,443.73/47,161.99 = 11,722.93/x
  3. Step 3: Cross multiply
    31,443.73x = 47,161.99 × 11,722.93
  4. Step 4: Simplify right side
    31,443.73x = 552,876,707.43
  5. Step 5: Solve for x
    x = 552,876,707.43/31,443.73
  6. Step 6: Final answer
    x = 17,583.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.