Home / 31,872,930.89-43,979,157.29-17,932,351.37

Finding the Fourth Proportional to 31,872,930.89, 43,979,157.29 and 17,932,351.37

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Solution

The fourth proportional to 31,872,930.89, 43,979,157.29 and 17,932,351.37 is: 24,743,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872,930.89 : 43,979,157.29 = 17,932,351.37 : x
  2. Step 2: Convert to fraction form
    31,872,930.89/43,979,157.29 = 17,932,351.37/x
  3. Step 3: Cross multiply
    31,872,930.89x = 43,979,157.29 × 17,932,351.37
  4. Step 4: Simplify right side
    31,872,930.89x = 788,649,701,305,712
  5. Step 5: Solve for x
    x = 788,649,701,305,712/31,872,930.89
  6. Step 6: Final answer
    x = 24,743,557.60

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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.