Home / 35,939.72-53,916.36-13,751.24

Finding the Fourth Proportional to 35,939.72, 53,916.36 and 13,751.24

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Solution

The fourth proportional to 35,939.72, 53,916.36 and 13,751.24 is: 20,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,939.72 : 53,916.36 = 13,751.24 : x
  2. Step 2: Convert to fraction form
    35,939.72/53,916.36 = 13,751.24/x
  3. Step 3: Cross multiply
    35,939.72x = 53,916.36 × 13,751.24
  4. Step 4: Simplify right side
    35,939.72x = 741,416,806.29
  5. Step 5: Solve for x
    x = 741,416,806.29/35,939.72
  6. Step 6: Final answer
    x = 20,629.45

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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.