Home / 31,695.36-43,744.68-18,087.81

Finding the Fourth Proportional to 31,695.36, 43,744.68 and 18,087.81

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Solution

The fourth proportional to 31,695.36, 43,744.68 and 18,087.81 is: 24,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695.36 : 43,744.68 = 18,087.81 : x
  2. Step 2: Convert to fraction form
    31,695.36/43,744.68 = 18,087.81/x
  3. Step 3: Cross multiply
    31,695.36x = 43,744.68 × 18,087.81
  4. Step 4: Simplify right side
    31,695.36x = 791,245,460.35
  5. Step 5: Solve for x
    x = 791,245,460.35/31,695.36
  6. Step 6: Final answer
    x = 24,964.08

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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.