Home / 31,810.63-43,900.49-17,664.38

Finding the Fourth Proportional to 31,810.63, 43,900.49 and 17,664.38

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Solution

The fourth proportional to 31,810.63, 43,900.49 and 17,664.38 is: 24,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,810.63 : 43,900.49 = 17,664.38 : x
  2. Step 2: Convert to fraction form
    31,810.63/43,900.49 = 17,664.38/x
  3. Step 3: Cross multiply
    31,810.63x = 43,900.49 × 17,664.38
  4. Step 4: Simplify right side
    31,810.63x = 775,474,849.22
  5. Step 5: Solve for x
    x = 775,474,849.22/31,810.63
  6. Step 6: Final answer
    x = 24,377.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.