Home / 30,964.63-46,430.55-12,243.91

Finding the Fourth Proportional to 30,964.63, 46,430.55 and 12,243.91

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Solution

The fourth proportional to 30,964.63, 46,430.55 and 12,243.91 is: 18,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,964.63 : 46,430.55 = 12,243.91 : x
  2. Step 2: Convert to fraction form
    30,964.63/46,430.55 = 12,243.91/x
  3. Step 3: Cross multiply
    30,964.63x = 46,430.55 × 12,243.91
  4. Step 4: Simplify right side
    30,964.63x = 568,491,475.45
  5. Step 5: Solve for x
    x = 568,491,475.45/30,964.63
  6. Step 6: Final answer
    x = 18,359.38

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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.