Home / 39,298.90-58,895.77-19,277.78

Finding the Fourth Proportional to 39,298.90, 58,895.77 and 19,277.78

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Solution

The fourth proportional to 39,298.90, 58,895.77 and 19,277.78 is: 28,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,298.90 : 58,895.77 = 19,277.78 : x
  2. Step 2: Convert to fraction form
    39,298.90/58,895.77 = 19,277.78/x
  3. Step 3: Cross multiply
    39,298.90x = 58,895.77 × 19,277.78
  4. Step 4: Simplify right side
    39,298.90x = 1,135,379,696.99
  5. Step 5: Solve for x
    x = 1,135,379,696.99/39,298.90
  6. Step 6: Final answer
    x = 28,890.88

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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.