Home / 29,485.80-40,690.44-16,057.08

Finding the Fourth Proportional to 29,485.80, 40,690.44 and 16,057.08

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Solution

The fourth proportional to 29,485.80, 40,690.44 and 16,057.08 is: 22,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,485.80 : 40,690.44 = 16,057.08 : x
  2. Step 2: Convert to fraction form
    29,485.80/40,690.44 = 16,057.08/x
  3. Step 3: Cross multiply
    29,485.80x = 40,690.44 × 16,057.08
  4. Step 4: Simplify right side
    29,485.80x = 653,369,650.32
  5. Step 5: Solve for x
    x = 653,369,650.32/29,485.80
  6. Step 6: Final answer
    x = 22,158.79

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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.