Home / 51,396.38-77,083.98-19,795.62

Finding the Fourth Proportional to 51,396.38, 77,083.98 and 19,795.62

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Solution

The fourth proportional to 51,396.38, 77,083.98 and 19,795.62 is: 29,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,396.38 : 77,083.98 = 19,795.62 : x
  2. Step 2: Convert to fraction form
    51,396.38/77,083.98 = 19,795.62/x
  3. Step 3: Cross multiply
    51,396.38x = 77,083.98 × 19,795.62
  4. Step 4: Simplify right side
    51,396.38x = 1,525,925,176.17
  5. Step 5: Solve for x
    x = 1,525,925,176.17/51,396.38
  6. Step 6: Final answer
    x = 29,689.35

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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.