Home / 30,830.32-46,267.26-27,856

Finding the Fourth Proportional to 30,830.32, 46,267.26 and 27,856

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Solution

The fourth proportional to 30,830.32, 46,267.26 and 27,856 is: 41,803.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,830.32 : 46,267.26 = 27,856 : x
  2. Step 2: Convert to fraction form
    30,830.32/46,267.26 = 27,856/x
  3. Step 3: Cross multiply
    30,830.32x = 46,267.26 × 27,856
  4. Step 4: Simplify right side
    30,830.32x = 1,288,820,794.56
  5. Step 5: Solve for x
    x = 1,288,820,794.56/30,830.32
  6. Step 6: Final answer
    x = 41,803.68

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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.