Home / 35,709.21-53,571.65-13,522.75

Finding the Fourth Proportional to 35,709.21, 53,571.65 and 13,522.75

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Solution

The fourth proportional to 35,709.21, 53,571.65 and 13,522.75 is: 20,287.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,709.21 : 53,571.65 = 13,522.75 : x
  2. Step 2: Convert to fraction form
    35,709.21/53,571.65 = 13,522.75/x
  3. Step 3: Cross multiply
    35,709.21x = 53,571.65 × 13,522.75
  4. Step 4: Simplify right side
    35,709.21x = 724,435,828.49
  5. Step 5: Solve for x
    x = 724,435,828.49/35,709.21
  6. Step 6: Final answer
    x = 20,287.09

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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.