Home / 51,731.84-77,610.72-16,670.72

Finding the Fourth Proportional to 51,731.84, 77,610.72 and 16,670.72

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Solution

The fourth proportional to 51,731.84, 77,610.72 and 16,670.72 is: 25,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,731.84 : 77,610.72 = 16,670.72 : x
  2. Step 2: Convert to fraction form
    51,731.84/77,610.72 = 16,670.72/x
  3. Step 3: Cross multiply
    51,731.84x = 77,610.72 × 16,670.72
  4. Step 4: Simplify right side
    51,731.84x = 1,293,826,582.12
  5. Step 5: Solve for x
    x = 1,293,826,582.12/51,731.84
  6. Step 6: Final answer
    x = 25,010.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.