Home / 31,856.07-43,971.63-19,291.35

Finding the Fourth Proportional to 31,856.07, 43,971.63 and 19,291.35

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Solution

The fourth proportional to 31,856.07, 43,971.63 and 19,291.35 is: 26,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,856.07 : 43,971.63 = 19,291.35 : x
  2. Step 2: Convert to fraction form
    31,856.07/43,971.63 = 19,291.35/x
  3. Step 3: Cross multiply
    31,856.07x = 43,971.63 × 19,291.35
  4. Step 4: Simplify right side
    31,856.07x = 848,272,104.40
  5. Step 5: Solve for x
    x = 848,272,104.40/31,856.07
  6. Step 6: Final answer
    x = 26,628.27

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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.