Home / 31,581.72-43,582.77-17,434.66

Finding the Fourth Proportional to 31,581.72, 43,582.77 and 17,434.66

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Solution

The fourth proportional to 31,581.72, 43,582.77 and 17,434.66 is: 24,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.72 : 43,582.77 = 17,434.66 : x
  2. Step 2: Convert to fraction form
    31,581.72/43,582.77 = 17,434.66/x
  3. Step 3: Cross multiply
    31,581.72x = 43,582.77 × 17,434.66
  4. Step 4: Simplify right side
    31,581.72x = 759,850,776.81
  5. Step 5: Solve for x
    x = 759,850,776.81/31,581.72
  6. Step 6: Final answer
    x = 24,059.83

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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.