Home / 30,662.75-42,324.26-22,303.55

Finding the Fourth Proportional to 30,662.75, 42,324.26 and 22,303.55

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Solution

The fourth proportional to 30,662.75, 42,324.26 and 22,303.55 is: 30,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,662.75 : 42,324.26 = 22,303.55 : x
  2. Step 2: Convert to fraction form
    30,662.75/42,324.26 = 22,303.55/x
  3. Step 3: Cross multiply
    30,662.75x = 42,324.26 × 22,303.55
  4. Step 4: Simplify right side
    30,662.75x = 943,981,243.42
  5. Step 5: Solve for x
    x = 943,981,243.42/30,662.75
  6. Step 6: Final answer
    x = 30,785.93

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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.