Home / 31,583.05-43,582.74-17,240.03

Finding the Fourth Proportional to 31,583.05, 43,582.74 and 17,240.03

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Solution

The fourth proportional to 31,583.05, 43,582.74 and 17,240.03 is: 23,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.05 : 43,582.74 = 17,240.03 : x
  2. Step 2: Convert to fraction form
    31,583.05/43,582.74 = 17,240.03/x
  3. Step 3: Cross multiply
    31,583.05x = 43,582.74 × 17,240.03
  4. Step 4: Simplify right side
    31,583.05x = 751,367,625.95
  5. Step 5: Solve for x
    x = 751,367,625.95/31,583.05
  6. Step 6: Final answer
    x = 23,790.22

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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.