Home / 31,743.36-43,804.80-19,165.92

Finding the Fourth Proportional to 31,743.36, 43,804.80 and 19,165.92

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Solution

The fourth proportional to 31,743.36, 43,804.80 and 19,165.92 is: 26,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.36 : 43,804.80 = 19,165.92 : x
  2. Step 2: Convert to fraction form
    31,743.36/43,804.80 = 19,165.92/x
  3. Step 3: Cross multiply
    31,743.36x = 43,804.80 × 19,165.92
  4. Step 4: Simplify right side
    31,743.36x = 839,559,292.42
  5. Step 5: Solve for x
    x = 839,559,292.42/31,743.36
  6. Step 6: Final answer
    x = 26,448.34

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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.