Home / 31,769.23-43,840.42-17,623.39

Finding the Fourth Proportional to 31,769.23, 43,840.42 and 17,623.39

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Solution

The fourth proportional to 31,769.23, 43,840.42 and 17,623.39 is: 24,319.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,769.23 : 43,840.42 = 17,623.39 : x
  2. Step 2: Convert to fraction form
    31,769.23/43,840.42 = 17,623.39/x
  3. Step 3: Cross multiply
    31,769.23x = 43,840.42 × 17,623.39
  4. Step 4: Simplify right side
    31,769.23x = 772,616,819.42
  5. Step 5: Solve for x
    x = 772,616,819.42/31,769.23
  6. Step 6: Final answer
    x = 24,319.66

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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.