Home / 31,205.50-43,063.59-17,058.45

Finding the Fourth Proportional to 31,205.50, 43,063.59 and 17,058.45

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Solution

The fourth proportional to 31,205.50, 43,063.59 and 17,058.45 is: 23,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,205.50 : 43,063.59 = 17,058.45 : x
  2. Step 2: Convert to fraction form
    31,205.50/43,063.59 = 17,058.45/x
  3. Step 3: Cross multiply
    31,205.50x = 43,063.59 × 17,058.45
  4. Step 4: Simplify right side
    31,205.50x = 734,597,881.52
  5. Step 5: Solve for x
    x = 734,597,881.52/31,205.50
  6. Step 6: Final answer
    x = 23,540.65

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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.