Home / 35,639.65-53,471.34-11,949.54

Finding the Fourth Proportional to 35,639.65, 53,471.34 and 11,949.54

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Solution

The fourth proportional to 35,639.65, 53,471.34 and 11,949.54 is: 17,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,639.65 : 53,471.34 = 11,949.54 : x
  2. Step 2: Convert to fraction form
    35,639.65/53,471.34 = 11,949.54/x
  3. Step 3: Cross multiply
    35,639.65x = 53,471.34 × 11,949.54
  4. Step 4: Simplify right side
    35,639.65x = 638,957,916.18
  5. Step 5: Solve for x
    x = 638,957,916.18/35,639.65
  6. Step 6: Final answer
    x = 17,928.29

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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.