Home / 30,433.55-41,959.87-19,660.22

Finding the Fourth Proportional to 30,433.55, 41,959.87 and 19,660.22

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Solution

The fourth proportional to 30,433.55, 41,959.87 and 19,660.22 is: 27,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433.55 : 41,959.87 = 19,660.22 : x
  2. Step 2: Convert to fraction form
    30,433.55/41,959.87 = 19,660.22/x
  3. Step 3: Cross multiply
    30,433.55x = 41,959.87 × 19,660.22
  4. Step 4: Simplify right side
    30,433.55x = 824,940,284.36
  5. Step 5: Solve for x
    x = 824,940,284.36/30,433.55
  6. Step 6: Final answer
    x = 27,106.28

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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.