Home / 51,396.09-77,097.33-19,806.30

Finding the Fourth Proportional to 51,396.09, 77,097.33 and 19,806.30

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Solution

The fourth proportional to 51,396.09, 77,097.33 and 19,806.30 is: 29,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,396.09 : 77,097.33 = 19,806.30 : x
  2. Step 2: Convert to fraction form
    51,396.09/77,097.33 = 19,806.30/x
  3. Step 3: Cross multiply
    51,396.09x = 77,097.33 × 19,806.30
  4. Step 4: Simplify right side
    51,396.09x = 1,527,012,847.18
  5. Step 5: Solve for x
    x = 1,527,012,847.18/51,396.09
  6. Step 6: Final answer
    x = 29,710.68

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1.5x scale

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.