Home / 39,519,222.48-54,511,220.76-31,697,502.72

Finding the Fourth Proportional to 39,519,222.48, 54,511,220.76 and 31,697,502.72

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Solution

The fourth proportional to 39,519,222.48, 54,511,220.76 and 31,697,502.72 is: 43,722,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,519,222.48 : 54,511,220.76 = 31,697,502.72 : x
  2. Step 2: Convert to fraction form
    39,519,222.48/54,511,220.76 = 31,697,502.72/x
  3. Step 3: Cross multiply
    39,519,222.48x = 54,511,220.76 × 31,697,502.72
  4. Step 4: Simplify right side
    39,519,222.48x = 1,727,869,568,310,620.25
  5. Step 5: Solve for x
    x = 1,727,869,568,310,620.25/39,519,222.48
  6. Step 6: Final answer
    x = 43,722,256.15

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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.