Home / 31,323.39-43,228.98-17,178.96

Finding the Fourth Proportional to 31,323.39, 43,228.98 and 17,178.96

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Solution

The fourth proportional to 31,323.39, 43,228.98 and 17,178.96 is: 23,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,323.39 : 43,228.98 = 17,178.96 : x
  2. Step 2: Convert to fraction form
    31,323.39/43,228.98 = 17,178.96/x
  3. Step 3: Cross multiply
    31,323.39x = 43,228.98 × 17,178.96
  4. Step 4: Simplify right side
    31,323.39x = 742,628,918.26
  5. Step 5: Solve for x
    x = 742,628,918.26/31,323.39
  6. Step 6: Final answer
    x = 23,708.45

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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.