Home / 51,518.84-77,255.99-17,788.42

Finding the Fourth Proportional to 51,518.84, 77,255.99 and 17,788.42

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Solution

The fourth proportional to 51,518.84, 77,255.99 and 17,788.42 is: 26,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518.84 : 77,255.99 = 17,788.42 : x
  2. Step 2: Convert to fraction form
    51,518.84/77,255.99 = 17,788.42/x
  3. Step 3: Cross multiply
    51,518.84x = 77,255.99 × 17,788.42
  4. Step 4: Simplify right side
    51,518.84x = 1,374,261,715.55
  5. Step 5: Solve for x
    x = 1,374,261,715.55/51,518.84
  6. Step 6: Final answer
    x = 26,674.93

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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.