Home / 36,397.10-54,595.64-20,803.79

Finding the Fourth Proportional to 36,397.10, 54,595.64 and 20,803.79

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Solution

The fourth proportional to 36,397.10, 54,595.64 and 20,803.79 is: 31,205.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,397.10 : 54,595.64 = 20,803.79 : x
  2. Step 2: Convert to fraction form
    36,397.10/54,595.64 = 20,803.79/x
  3. Step 3: Cross multiply
    36,397.10x = 54,595.64 × 20,803.79
  4. Step 4: Simplify right side
    36,397.10x = 1,135,796,417.97
  5. Step 5: Solve for x
    x = 1,135,796,417.97/36,397.10
  6. Step 6: Final answer
    x = 31,205.68

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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.