Home / 29,388.16-40,559.16-16,816.96

Finding the Fourth Proportional to 29,388.16, 40,559.16 and 16,816.96

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Solution

The fourth proportional to 29,388.16, 40,559.16 and 16,816.96 is: 23,209.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388.16 : 40,559.16 = 16,816.96 : x
  2. Step 2: Convert to fraction form
    29,388.16/40,559.16 = 16,816.96/x
  3. Step 3: Cross multiply
    29,388.16x = 40,559.16 × 16,816.96
  4. Step 4: Simplify right side
    29,388.16x = 682,081,771.35
  5. Step 5: Solve for x
    x = 682,081,771.35/29,388.16
  6. Step 6: Final answer
    x = 23,209.41

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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.