Home / 39,172,951.84-54,059,986.32-21,770,030.56

Finding the Fourth Proportional to 39,172,951.84, 54,059,986.32 and 21,770,030.56

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Solution

The fourth proportional to 39,172,951.84, 54,059,986.32 and 21,770,030.56 is: 30,043,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172,951.84 : 54,059,986.32 = 21,770,030.56 : x
  2. Step 2: Convert to fraction form
    39,172,951.84/54,059,986.32 = 21,770,030.56/x
  3. Step 3: Cross multiply
    39,172,951.84x = 54,059,986.32 × 21,770,030.56
  4. Step 4: Simplify right side
    39,172,951.84x = 1,176,887,554,259,581.75
  5. Step 5: Solve for x
    x = 1,176,887,554,259,581.75/39,172,951.84
  6. Step 6: Final answer
    x = 30,043,371.74

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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.