Home / 30,138.13-41,533.27-22,074.27

Finding the Fourth Proportional to 30,138.13, 41,533.27 and 22,074.27

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Solution

The fourth proportional to 30,138.13, 41,533.27 and 22,074.27 is: 30,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138.13 : 41,533.27 = 22,074.27 : x
  2. Step 2: Convert to fraction form
    30,138.13/41,533.27 = 22,074.27/x
  3. Step 3: Cross multiply
    30,138.13x = 41,533.27 × 22,074.27
  4. Step 4: Simplify right side
    30,138.13x = 916,816,615.96
  5. Step 5: Solve for x
    x = 916,816,615.96/30,138.13
  6. Step 6: Final answer
    x = 30,420.49

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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.