Home / 31,161.87-43,004.28-17,015.64

Finding the Fourth Proportional to 31,161.87, 43,004.28 and 17,015.64

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Solution

The fourth proportional to 31,161.87, 43,004.28 and 17,015.64 is: 23,482.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.87 : 43,004.28 = 17,015.64 : x
  2. Step 2: Convert to fraction form
    31,161.87/43,004.28 = 17,015.64/x
  3. Step 3: Cross multiply
    31,161.87x = 43,004.28 × 17,015.64
  4. Step 4: Simplify right side
    31,161.87x = 731,745,346.94
  5. Step 5: Solve for x
    x = 731,745,346.94/31,161.87
  6. Step 6: Final answer
    x = 23,482.07

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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.