Home / 29,486.30-40,690.69-16,739.37

Finding the Fourth Proportional to 29,486.30, 40,690.69 and 16,739.37

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Solution

The fourth proportional to 29,486.30, 40,690.69 and 16,739.37 is: 23,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,486.30 : 40,690.69 = 16,739.37 : x
  2. Step 2: Convert to fraction form
    29,486.30/40,690.69 = 16,739.37/x
  3. Step 3: Cross multiply
    29,486.30x = 40,690.69 × 16,739.37
  4. Step 4: Simplify right side
    29,486.30x = 681,136,515.47
  5. Step 5: Solve for x
    x = 681,136,515.47/29,486.30
  6. Step 6: Final answer
    x = 23,100.10

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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.