Home / 31,605.80-43,615.71-17,458.34

Finding the Fourth Proportional to 31,605.80, 43,615.71 and 17,458.34

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Solution

The fourth proportional to 31,605.80, 43,615.71 and 17,458.34 is: 24,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605.80 : 43,615.71 = 17,458.34 : x
  2. Step 2: Convert to fraction form
    31,605.80/43,615.71 = 17,458.34/x
  3. Step 3: Cross multiply
    31,605.80x = 43,615.71 × 17,458.34
  4. Step 4: Simplify right side
    31,605.80x = 761,457,676.44
  5. Step 5: Solve for x
    x = 761,457,676.44/31,605.80
  6. Step 6: Final answer
    x = 24,092.34

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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.