Home / 51,935.78-77,911.17-16,385.02

Finding the Fourth Proportional to 51,935.78, 77,911.17 and 16,385.02

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Solution

The fourth proportional to 51,935.78, 77,911.17 and 16,385.02 is: 24,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,935.78 : 77,911.17 = 16,385.02 : x
  2. Step 2: Convert to fraction form
    51,935.78/77,911.17 = 16,385.02/x
  3. Step 3: Cross multiply
    51,935.78x = 77,911.17 × 16,385.02
  4. Step 4: Simplify right side
    51,935.78x = 1,276,575,822.45
  5. Step 5: Solve for x
    x = 1,276,575,822.45/51,935.78
  6. Step 6: Final answer
    x = 24,579.89

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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.