Home / 45,999.25-69,020.66-19,351.08

Finding the Fourth Proportional to 45,999.25, 69,020.66 and 19,351.08

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Solution

The fourth proportional to 45,999.25, 69,020.66 and 19,351.08 is: 29,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,999.25 : 69,020.66 = 19,351.08 : x
  2. Step 2: Convert to fraction form
    45,999.25/69,020.66 = 19,351.08/x
  3. Step 3: Cross multiply
    45,999.25x = 69,020.66 × 19,351.08
  4. Step 4: Simplify right side
    45,999.25x = 1,335,624,313.31
  5. Step 5: Solve for x
    x = 1,335,624,313.31/45,999.25
  6. Step 6: Final answer
    x = 29,035.78

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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.