Home / 35,412.35-53,071.58-13,203.37

Finding the Fourth Proportional to 35,412.35, 53,071.58 and 13,203.37

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Solution

The fourth proportional to 35,412.35, 53,071.58 and 13,203.37 is: 19,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412.35 : 53,071.58 = 13,203.37 : x
  2. Step 2: Convert to fraction form
    35,412.35/53,071.58 = 13,203.37/x
  3. Step 3: Cross multiply
    35,412.35x = 53,071.58 × 13,203.37
  4. Step 4: Simplify right side
    35,412.35x = 700,723,441.87
  5. Step 5: Solve for x
    x = 700,723,441.87/35,412.35
  6. Step 6: Final answer
    x = 19,787.54

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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.