Home / 35,382.96-53,058.04-13,190.38

Finding the Fourth Proportional to 35,382.96, 53,058.04 and 13,190.38

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Solution

The fourth proportional to 35,382.96, 53,058.04 and 13,190.38 is: 19,779.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,382.96 : 53,058.04 = 13,190.38 : x
  2. Step 2: Convert to fraction form
    35,382.96/53,058.04 = 13,190.38/x
  3. Step 3: Cross multiply
    35,382.96x = 53,058.04 × 13,190.38
  4. Step 4: Simplify right side
    35,382.96x = 699,855,709.66
  5. Step 5: Solve for x
    x = 699,855,709.66/35,382.96
  6. Step 6: Final answer
    x = 19,779.46

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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.