Home / 29,705.12-40,987.68-16,958.24

Finding the Fourth Proportional to 29,705.12, 40,987.68 and 16,958.24

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Solution

The fourth proportional to 29,705.12, 40,987.68 and 16,958.24 is: 23,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,705.12 : 40,987.68 = 16,958.24 : x
  2. Step 2: Convert to fraction form
    29,705.12/40,987.68 = 16,958.24/x
  3. Step 3: Cross multiply
    29,705.12x = 40,987.68 × 16,958.24
  4. Step 4: Simplify right side
    29,705.12x = 695,078,914.48
  5. Step 5: Solve for x
    x = 695,078,914.48/29,705.12
  6. Step 6: Final answer
    x = 23,399.30

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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.