Home / 31,681,163.88-43,739,752.14-21,775,103.64

Finding the Fourth Proportional to 31,681,163.88, 43,739,752.14 and 21,775,103.64

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Solution

The fourth proportional to 31,681,163.88, 43,739,752.14 and 21,775,103.64 is: 30,063,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681,163.88 : 43,739,752.14 = 21,775,103.64 : x
  2. Step 2: Convert to fraction form
    31,681,163.88/43,739,752.14 = 21,775,103.64/x
  3. Step 3: Cross multiply
    31,681,163.88x = 43,739,752.14 × 21,775,103.64
  4. Step 4: Simplify right side
    31,681,163.88x = 952,437,636,036,411.88
  5. Step 5: Solve for x
    x = 952,437,636,036,411.88/31,681,163.88
  6. Step 6: Final answer
    x = 30,063,214.84

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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.