Home / 30,367.12-41,911.76-22,432.36

Finding the Fourth Proportional to 30,367.12, 41,911.76 and 22,432.36

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Solution

The fourth proportional to 30,367.12, 41,911.76 and 22,432.36 is: 30,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,367.12 : 41,911.76 = 22,432.36 : x
  2. Step 2: Convert to fraction form
    30,367.12/41,911.76 = 22,432.36/x
  3. Step 3: Cross multiply
    30,367.12x = 41,911.76 × 22,432.36
  4. Step 4: Simplify right side
    30,367.12x = 940,179,688.55
  5. Step 5: Solve for x
    x = 940,179,688.55/30,367.12
  6. Step 6: Final answer
    x = 30,960.45

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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.