Home / 51,890.22-77,828.04-16,830.18

Finding the Fourth Proportional to 51,890.22, 77,828.04 and 16,830.18

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Solution

The fourth proportional to 51,890.22, 77,828.04 and 16,830.18 is: 25,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,890.22 : 77,828.04 = 16,830.18 : x
  2. Step 2: Convert to fraction form
    51,890.22/77,828.04 = 16,830.18/x
  3. Step 3: Cross multiply
    51,890.22x = 77,828.04 × 16,830.18
  4. Step 4: Simplify right side
    51,890.22x = 1,309,859,922.25
  5. Step 5: Solve for x
    x = 1,309,859,922.25/51,890.22
  6. Step 6: Final answer
    x = 25,242.91

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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.