Home / 35,609.69-53,396.50-11,908.81

Finding the Fourth Proportional to 35,609.69, 53,396.50 and 11,908.81

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Solution

The fourth proportional to 35,609.69, 53,396.50 and 11,908.81 is: 17,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,609.69 : 53,396.50 = 11,908.81 : x
  2. Step 2: Convert to fraction form
    35,609.69/53,396.50 = 11,908.81/x
  3. Step 3: Cross multiply
    35,609.69x = 53,396.50 × 11,908.81
  4. Step 4: Simplify right side
    35,609.69x = 635,888,773.17
  5. Step 5: Solve for x
    x = 635,888,773.17/35,609.69
  6. Step 6: Final answer
    x = 17,857.18

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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.