Home / 30,659,043.71-46,007,711.46-20,431,080.32

Finding the Fourth Proportional to 30,659,043.71, 46,007,711.46 and 20,431,080.32

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Solution

The fourth proportional to 30,659,043.71, 46,007,711.46 and 20,431,080.32 is: 30,659,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659,043.71 : 46,007,711.46 = 20,431,080.32 : x
  2. Step 2: Convert to fraction form
    30,659,043.71/46,007,711.46 = 20,431,080.32/x
  3. Step 3: Cross multiply
    30,659,043.71x = 46,007,711.46 × 20,431,080.32
  4. Step 4: Simplify right side
    30,659,043.71x = 939,987,247,948,606
  5. Step 5: Solve for x
    x = 939,987,247,948,606/30,659,043.71
  6. Step 6: Final answer
    x = 30,659,379.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.