Home / 35,605.09-53,403.78-11,909.94

Finding the Fourth Proportional to 35,605.09, 53,403.78 and 11,909.94

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Solution

The fourth proportional to 35,605.09, 53,403.78 and 11,909.94 is: 17,863.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,605.09 : 53,403.78 = 11,909.94 : x
  2. Step 2: Convert to fraction form
    35,605.09/53,403.78 = 11,909.94/x
  3. Step 3: Cross multiply
    35,605.09x = 53,403.78 × 11,909.94
  4. Step 4: Simplify right side
    35,605.09x = 636,036,138.25
  5. Step 5: Solve for x
    x = 636,036,138.25/35,605.09
  6. Step 6: Final answer
    x = 17,863.63

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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.