Home / 31,531,589.04-43,535,108.48-20,395,076.84

Finding the Fourth Proportional to 31,531,589.04, 43,535,108.48 and 20,395,076.84

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Solution

The fourth proportional to 31,531,589.04, 43,535,108.48 and 20,395,076.84 is: 28,159,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,531,589.04 : 43,535,108.48 = 20,395,076.84 : x
  2. Step 2: Convert to fraction form
    31,531,589.04/43,535,108.48 = 20,395,076.84/x
  3. Step 3: Cross multiply
    31,531,589.04x = 43,535,108.48 × 20,395,076.84
  4. Step 4: Simplify right side
    31,531,589.04x = 887,901,882,367,684.75
  5. Step 5: Solve for x
    x = 887,901,882,367,684.75/31,531,589.04
  6. Step 6: Final answer
    x = 28,159,122.63

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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.