Home / 31,270.22-43,152.92-16,930.06

Finding the Fourth Proportional to 31,270.22, 43,152.92 and 16,930.06

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Solution

The fourth proportional to 31,270.22, 43,152.92 and 16,930.06 is: 23,363.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,270.22 : 43,152.92 = 16,930.06 : x
  2. Step 2: Convert to fraction form
    31,270.22/43,152.92 = 16,930.06/x
  3. Step 3: Cross multiply
    31,270.22x = 43,152.92 × 16,930.06
  4. Step 4: Simplify right side
    31,270.22x = 730,581,459.22
  5. Step 5: Solve for x
    x = 730,581,459.22/31,270.22
  6. Step 6: Final answer
    x = 23,363.49

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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.