Home / 35,661.10-53,478.99-13,166.97

Finding the Fourth Proportional to 35,661.10, 53,478.99 and 13,166.97

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Solution

The fourth proportional to 35,661.10, 53,478.99 and 13,166.97 is: 19,745.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,661.10 : 53,478.99 = 13,166.97 : x
  2. Step 2: Convert to fraction form
    35,661.10/53,478.99 = 13,166.97/x
  3. Step 3: Cross multiply
    35,661.10x = 53,478.99 × 13,166.97
  4. Step 4: Simplify right side
    35,661.10x = 704,156,256.96
  5. Step 5: Solve for x
    x = 704,156,256.96/35,661.10
  6. Step 6: Final answer
    x = 19,745.78

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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.