Home / 31,021.00-46,546.87-12,300.63

Finding the Fourth Proportional to 31,021.00, 46,546.87 and 12,300.63

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Solution

The fourth proportional to 31,021.00, 46,546.87 and 12,300.63 is: 18,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021.00 : 46,546.87 = 12,300.63 : x
  2. Step 2: Convert to fraction form
    31,021.00/46,546.87 = 12,300.63/x
  3. Step 3: Cross multiply
    31,021.00x = 46,546.87 × 12,300.63
  4. Step 4: Simplify right side
    31,021.00x = 572,555,972.65
  5. Step 5: Solve for x
    x = 572,555,972.65/31,021.00
  6. Step 6: Final answer
    x = 18,457.05

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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.