Home / 30,886.46-46,309.71-20,324.51

Finding the Fourth Proportional to 30,886.46, 46,309.71 and 20,324.51

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Solution

The fourth proportional to 30,886.46, 46,309.71 and 20,324.51 is: 30,473.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886.46 : 46,309.71 = 20,324.51 : x
  2. Step 2: Convert to fraction form
    30,886.46/46,309.71 = 20,324.51/x
  3. Step 3: Cross multiply
    30,886.46x = 46,309.71 × 20,324.51
  4. Step 4: Simplify right side
    30,886.46x = 941,222,163.99
  5. Step 5: Solve for x
    x = 941,222,163.99/30,886.46
  6. Step 6: Final answer
    x = 30,473.62

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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.