Home / 35,819,323.20-49,431,989.88-20,352,042.72

Finding the Fourth Proportional to 35,819,323.20, 49,431,989.88 and 20,352,042.72

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Solution

The fourth proportional to 35,819,323.20, 49,431,989.88 and 20,352,042.72 is: 28,086,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,819,323.20 : 49,431,989.88 = 20,352,042.72 : x
  2. Step 2: Convert to fraction form
    35,819,323.20/49,431,989.88 = 20,352,042.72/x
  3. Step 3: Cross multiply
    35,819,323.20x = 49,431,989.88 × 20,352,042.72
  4. Step 4: Simplify right side
    35,819,323.20x = 1,006,041,969,772,367.62
  5. Step 5: Solve for x
    x = 1,006,041,969,772,367.62/35,819,323.20
  6. Step 6: Final answer
    x = 28,086,571.15

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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.