Home / 29,439.36-40,616.01-16,690.68

Finding the Fourth Proportional to 29,439.36, 40,616.01 and 16,690.68

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Solution

The fourth proportional to 29,439.36, 40,616.01 and 16,690.68 is: 23,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,439.36 : 40,616.01 = 16,690.68 : x
  2. Step 2: Convert to fraction form
    29,439.36/40,616.01 = 16,690.68/x
  3. Step 3: Cross multiply
    29,439.36x = 40,616.01 × 16,690.68
  4. Step 4: Simplify right side
    29,439.36x = 677,908,825.79
  5. Step 5: Solve for x
    x = 677,908,825.79/29,439.36
  6. Step 6: Final answer
    x = 23,027.29

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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.