Home / 30,247.92-41,739.75-16,818.36

Finding the Fourth Proportional to 30,247.92, 41,739.75 and 16,818.36

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Solution

The fourth proportional to 30,247.92, 41,739.75 and 16,818.36 is: 23,208.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.92 : 41,739.75 = 16,818.36 : x
  2. Step 2: Convert to fraction form
    30,247.92/41,739.75 = 16,818.36/x
  3. Step 3: Cross multiply
    30,247.92x = 41,739.75 × 16,818.36
  4. Step 4: Simplify right side
    30,247.92x = 701,994,141.81
  5. Step 5: Solve for x
    x = 701,994,141.81/30,247.92
  6. Step 6: Final answer
    x = 23,208.01

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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.