Home / 51,046.56-70,444.20-28,690.56

Finding the Fourth Proportional to 51,046.56, 70,444.20 and 28,690.56

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Solution

The fourth proportional to 51,046.56, 70,444.20 and 28,690.56 is: 39,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,046.56 : 70,444.20 = 28,690.56 : x
  2. Step 2: Convert to fraction form
    51,046.56/70,444.20 = 28,690.56/x
  3. Step 3: Cross multiply
    51,046.56x = 70,444.20 × 28,690.56
  4. Step 4: Simplify right side
    51,046.56x = 2,021,083,546.75
  5. Step 5: Solve for x
    x = 2,021,083,546.75/51,046.56
  6. Step 6: Final answer
    x = 39,592.94

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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.