Home / 39,111,060.96-53,972,211.09-21,469,975.38

Finding the Fourth Proportional to 39,111,060.96, 53,972,211.09 and 21,469,975.38

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Solution

The fourth proportional to 39,111,060.96, 53,972,211.09 and 21,469,975.38 is: 29,627,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111,060.96 : 53,972,211.09 = 21,469,975.38 : x
  2. Step 2: Convert to fraction form
    39,111,060.96/53,972,211.09 = 21,469,975.38/x
  3. Step 3: Cross multiply
    39,111,060.96x = 53,972,211.09 × 21,469,975.38
  4. Step 4: Simplify right side
    39,111,060.96x = 1,158,782,043,306,463
  5. Step 5: Solve for x
    x = 1,158,782,043,306,463/39,111,060.96
  6. Step 6: Final answer
    x = 29,627,987.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.