Home / 39,278.47-58,916.91-9,696.57

Finding the Fourth Proportional to 39,278.47, 58,916.91 and 9,696.57

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Solution

The fourth proportional to 39,278.47, 58,916.91 and 9,696.57 is: 14,544.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.47 : 58,916.91 = 9,696.57 : x
  2. Step 2: Convert to fraction form
    39,278.47/58,916.91 = 9,696.57/x
  3. Step 3: Cross multiply
    39,278.47x = 58,916.91 × 9,696.57
  4. Step 4: Simplify right side
    39,278.47x = 571,291,942.00
  5. Step 5: Solve for x
    x = 571,291,942.00/39,278.47
  6. Step 6: Final answer
    x = 14,544.66

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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.