Home / 30,821.78-46,230.39-14,977.88

Finding the Fourth Proportional to 30,821.78, 46,230.39 and 14,977.88

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Solution

The fourth proportional to 30,821.78, 46,230.39 and 14,977.88 is: 22,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821.78 : 46,230.39 = 14,977.88 : x
  2. Step 2: Convert to fraction form
    30,821.78/46,230.39 = 14,977.88/x
  3. Step 3: Cross multiply
    30,821.78x = 46,230.39 × 14,977.88
  4. Step 4: Simplify right side
    30,821.78x = 692,432,927.73
  5. Step 5: Solve for x
    x = 692,432,927.73/30,821.78
  6. Step 6: Final answer
    x = 22,465.71

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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.