Home / 31,268.43-46,913.58-13,739.63

Finding the Fourth Proportional to 31,268.43, 46,913.58 and 13,739.63

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Solution

The fourth proportional to 31,268.43, 46,913.58 and 13,739.63 is: 20,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,268.43 : 46,913.58 = 13,739.63 : x
  2. Step 2: Convert to fraction form
    31,268.43/46,913.58 = 13,739.63/x
  3. Step 3: Cross multiply
    31,268.43x = 46,913.58 × 13,739.63
  4. Step 4: Simplify right side
    31,268.43x = 644,574,996.61
  5. Step 5: Solve for x
    x = 644,574,996.61/31,268.43
  6. Step 6: Final answer
    x = 20,614.24

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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.