Home / 40,176.99-55,440.52-22,270.48

Finding the Fourth Proportional to 40,176.99, 55,440.52 and 22,270.48

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Solution

The fourth proportional to 40,176.99, 55,440.52 and 22,270.48 is: 30,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,176.99 : 55,440.52 = 22,270.48 : x
  2. Step 2: Convert to fraction form
    40,176.99/55,440.52 = 22,270.48/x
  3. Step 3: Cross multiply
    40,176.99x = 55,440.52 × 22,270.48
  4. Step 4: Simplify right side
    40,176.99x = 1,234,686,770.32
  5. Step 5: Solve for x
    x = 1,234,686,770.32/40,176.99
  6. Step 6: Final answer
    x = 30,731.19

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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.