Home / 34,383.49-51,634.67-20,431.17

Finding the Fourth Proportional to 34,383.49, 51,634.67 and 20,431.17

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Solution

The fourth proportional to 34,383.49, 51,634.67 and 20,431.17 is: 30,682.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,383.49 : 51,634.67 = 20,431.17 : x
  2. Step 2: Convert to fraction form
    34,383.49/51,634.67 = 20,431.17/x
  3. Step 3: Cross multiply
    34,383.49x = 51,634.67 × 20,431.17
  4. Step 4: Simplify right side
    34,383.49x = 1,054,956,618.51
  5. Step 5: Solve for x
    x = 1,054,956,618.51/34,383.49
  6. Step 6: Final answer
    x = 30,682.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.