Home / 51,980.52-77,976.54-16,913.64

Finding the Fourth Proportional to 51,980.52, 77,976.54 and 16,913.64

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Solution

The fourth proportional to 51,980.52, 77,976.54 and 16,913.64 is: 25,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,980.52 : 77,976.54 = 16,913.64 : x
  2. Step 2: Convert to fraction form
    51,980.52/77,976.54 = 16,913.64/x
  3. Step 3: Cross multiply
    51,980.52x = 77,976.54 × 16,913.64
  4. Step 4: Simplify right side
    51,980.52x = 1,318,867,126.01
  5. Step 5: Solve for x
    x = 1,318,867,126.01/51,980.52
  6. Step 6: Final answer
    x = 25,372.33

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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.