Home / 35,811.82-53,717.73-13,620.07

Finding the Fourth Proportional to 35,811.82, 53,717.73 and 13,620.07

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Solution

The fourth proportional to 35,811.82, 53,717.73 and 13,620.07 is: 20,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,811.82 : 53,717.73 = 13,620.07 : x
  2. Step 2: Convert to fraction form
    35,811.82/53,717.73 = 13,620.07/x
  3. Step 3: Cross multiply
    35,811.82x = 53,717.73 × 13,620.07
  4. Step 4: Simplify right side
    35,811.82x = 731,639,242.84
  5. Step 5: Solve for x
    x = 731,639,242.84/35,811.82
  6. Step 6: Final answer
    x = 20,430.11

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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.