Home / 31,872,933.90-43,979,161.42-17,932,354.38

Finding the Fourth Proportional to 31,872,933.90, 43,979,161.42 and 17,932,354.38

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Solution

The fourth proportional to 31,872,933.90, 43,979,161.42 and 17,932,354.38 is: 24,743,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872,933.90 : 43,979,161.42 = 17,932,354.38 : x
  2. Step 2: Convert to fraction form
    31,872,933.90/43,979,161.42 = 17,932,354.38/x
  3. Step 3: Cross multiply
    31,872,933.90x = 43,979,161.42 × 17,932,354.38
  4. Step 4: Simplify right side
    31,872,933.90x = 788,649,907,918,664
  5. Step 5: Solve for x
    x = 788,649,907,918,664/31,872,933.90
  6. Step 6: Final answer
    x = 24,743,561.74

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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.