Home / 51,768.06-71,435.94-31,634.70

Finding the Fourth Proportional to 51,768.06, 71,435.94 and 31,634.70

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Solution

The fourth proportional to 51,768.06, 71,435.94 and 31,634.70 is: 43,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,768.06 : 71,435.94 = 31,634.70 : x
  2. Step 2: Convert to fraction form
    51,768.06/71,435.94 = 31,634.70/x
  3. Step 3: Cross multiply
    51,768.06x = 71,435.94 × 31,634.70
  4. Step 4: Simplify right side
    51,768.06x = 2,259,854,531.12
  5. Step 5: Solve for x
    x = 2,259,854,531.12/51,768.06
  6. Step 6: Final answer
    x = 43,653.45

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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.