Home / 43,019.72-64,532.42-11,429.34

Finding the Fourth Proportional to 43,019.72, 64,532.42 and 11,429.34

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Solution

The fourth proportional to 43,019.72, 64,532.42 and 11,429.34 is: 17,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,019.72 : 64,532.42 = 11,429.34 : x
  2. Step 2: Convert to fraction form
    43,019.72/64,532.42 = 11,429.34/x
  3. Step 3: Cross multiply
    43,019.72x = 64,532.42 × 11,429.34
  4. Step 4: Simplify right side
    43,019.72x = 737,562,912.06
  5. Step 5: Solve for x
    x = 737,562,912.06/43,019.72
  6. Step 6: Final answer
    x = 17,144.77

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1.5x scale

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.