Home / 31,205.40-43,059.62-17,776.68

Finding the Fourth Proportional to 31,205.40, 43,059.62 and 17,776.68

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Solution

The fourth proportional to 31,205.40, 43,059.62 and 17,776.68 is: 24,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,205.40 : 43,059.62 = 17,776.68 : x
  2. Step 2: Convert to fraction form
    31,205.40/43,059.62 = 17,776.68/x
  3. Step 3: Cross multiply
    31,205.40x = 43,059.62 × 17,776.68
  4. Step 4: Simplify right side
    31,205.40x = 765,457,085.66
  5. Step 5: Solve for x
    x = 765,457,085.66/31,205.40
  6. Step 6: Final answer
    x = 24,529.64

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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.