Home / 31,867.75-43,988.43-19,292.50

Finding the Fourth Proportional to 31,867.75, 43,988.43 and 19,292.50

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Solution

The fourth proportional to 31,867.75, 43,988.43 and 19,292.50 is: 26,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.75 : 43,988.43 = 19,292.50 : x
  2. Step 2: Convert to fraction form
    31,867.75/43,988.43 = 19,292.50/x
  3. Step 3: Cross multiply
    31,867.75x = 43,988.43 × 19,292.50
  4. Step 4: Simplify right side
    31,867.75x = 848,646,785.78
  5. Step 5: Solve for x
    x = 848,646,785.78/31,867.75
  6. Step 6: Final answer
    x = 26,630.27

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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.