Home / 31,327.04-43,231.37-17,179.98

Finding the Fourth Proportional to 31,327.04, 43,231.37 and 17,179.98

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Solution

The fourth proportional to 31,327.04, 43,231.37 and 17,179.98 is: 23,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.04 : 43,231.37 = 17,179.98 : x
  2. Step 2: Convert to fraction form
    31,327.04/43,231.37 = 17,179.98/x
  3. Step 3: Cross multiply
    31,327.04x = 43,231.37 × 17,179.98
  4. Step 4: Simplify right side
    31,327.04x = 742,713,986.07
  5. Step 5: Solve for x
    x = 742,713,986.07/31,327.04
  6. Step 6: Final answer
    x = 23,708.40

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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.