Home / 51,976.80-77,965.20-48,696.30

Finding the Fourth Proportional to 51,976.80, 77,965.20 and 48,696.30

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Solution

The fourth proportional to 51,976.80, 77,965.20 and 48,696.30 is: 73,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.80 : 77,965.20 = 48,696.30 : x
  2. Step 2: Convert to fraction form
    51,976.80/77,965.20 = 48,696.30/x
  3. Step 3: Cross multiply
    51,976.80x = 77,965.20 × 48,696.30
  4. Step 4: Simplify right side
    51,976.80x = 3,796,616,768.76
  5. Step 5: Solve for x
    x = 3,796,616,768.76/51,976.80
  6. Step 6: Final answer
    x = 73,044.45

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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.