Home / 51,623.69-71,247.98-30,120.53

Finding the Fourth Proportional to 51,623.69, 71,247.98 and 30,120.53

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Solution

The fourth proportional to 51,623.69, 71,247.98 and 30,120.53 is: 41,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,623.69 : 71,247.98 = 30,120.53 : x
  2. Step 2: Convert to fraction form
    51,623.69/71,247.98 = 30,120.53/x
  3. Step 3: Cross multiply
    51,623.69x = 71,247.98 × 30,120.53
  4. Step 4: Simplify right side
    51,623.69x = 2,146,026,768.43
  5. Step 5: Solve for x
    x = 2,146,026,768.43/51,623.69
  6. Step 6: Final answer
    x = 41,570.58

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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.