Home / 29,621.45-40,881.44-16,879.23

Finding the Fourth Proportional to 29,621.45, 40,881.44 and 16,879.23

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Solution

The fourth proportional to 29,621.45, 40,881.44 and 16,879.23 is: 23,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,621.45 : 40,881.44 = 16,879.23 : x
  2. Step 2: Convert to fraction form
    29,621.45/40,881.44 = 16,879.23/x
  3. Step 3: Cross multiply
    29,621.45x = 40,881.44 × 16,879.23
  4. Step 4: Simplify right side
    29,621.45x = 690,047,270.69
  5. Step 5: Solve for x
    x = 690,047,270.69/29,621.45
  6. Step 6: Final answer
    x = 23,295.52

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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.