Home / 31,773.06-43,848.82-18,346.78

Finding the Fourth Proportional to 31,773.06, 43,848.82 and 18,346.78

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Solution

The fourth proportional to 31,773.06, 43,848.82 and 18,346.78 is: 25,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,773.06 : 43,848.82 = 18,346.78 : x
  2. Step 2: Convert to fraction form
    31,773.06/43,848.82 = 18,346.78/x
  3. Step 3: Cross multiply
    31,773.06x = 43,848.82 × 18,346.78
  4. Step 4: Simplify right side
    31,773.06x = 804,484,653.80
  5. Step 5: Solve for x
    x = 804,484,653.80/31,773.06
  6. Step 6: Final answer
    x = 25,319.71

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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.