Home / 51,948.84-71,672.52-31,784.70

Finding the Fourth Proportional to 51,948.84, 71,672.52 and 31,784.70

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Solution

The fourth proportional to 51,948.84, 71,672.52 and 31,784.70 is: 43,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,948.84 : 71,672.52 = 31,784.70 : x
  2. Step 2: Convert to fraction form
    51,948.84/71,672.52 = 31,784.70/x
  3. Step 3: Cross multiply
    51,948.84x = 71,672.52 × 31,784.70
  4. Step 4: Simplify right side
    51,948.84x = 2,278,089,546.44
  5. Step 5: Solve for x
    x = 2,278,089,546.44/51,948.84
  6. Step 6: Final answer
    x = 43,852.56

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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.