Home / 35,789,031.72-49,389,431.94-20,318,800.68

Finding the Fourth Proportional to 35,789,031.72, 49,389,431.94 and 20,318,800.68

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Solution

The fourth proportional to 35,789,031.72, 49,389,431.94 and 20,318,800.68 is: 28,040,267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,789,031.72 : 49,389,431.94 = 20,318,800.68 : x
  2. Step 2: Convert to fraction form
    35,789,031.72/49,389,431.94 = 20,318,800.68/x
  3. Step 3: Cross multiply
    35,789,031.72x = 49,389,431.94 × 20,318,800.68
  4. Step 4: Simplify right side
    35,789,031.72x = 1,003,534,023,287,285.62
  5. Step 5: Solve for x
    x = 1,003,534,023,287,285.62/35,789,031.72
  6. Step 6: Final answer
    x = 28,040,267.51

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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.