Home / 36,939,260.66-50,985,942.58-21,260,214.79

Finding the Fourth Proportional to 36,939,260.66, 50,985,942.58 and 21,260,214.79

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Solution

The fourth proportional to 36,939,260.66, 50,985,942.58 and 21,260,214.79 is: 29,344,715.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,939,260.66 : 50,985,942.58 = 21,260,214.79 : x
  2. Step 2: Convert to fraction form
    36,939,260.66/50,985,942.58 = 21,260,214.79/x
  3. Step 3: Cross multiply
    36,939,260.66x = 50,985,942.58 × 21,260,214.79
  4. Step 4: Simplify right side
    36,939,260.66x = 1,083,972,090,420,517.12
  5. Step 5: Solve for x
    x = 1,083,972,090,420,517.12/36,939,260.66
  6. Step 6: Final answer
    x = 29,344,715.38

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1.5x scale

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.