Home / 29,435.90-40,620.66-16,690.25

Finding the Fourth Proportional to 29,435.90, 40,620.66 and 16,690.25

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Solution

The fourth proportional to 29,435.90, 40,620.66 and 16,690.25 is: 23,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,435.90 : 40,620.66 = 16,690.25 : x
  2. Step 2: Convert to fraction form
    29,435.90/40,620.66 = 16,690.25/x
  3. Step 3: Cross multiply
    29,435.90x = 40,620.66 × 16,690.25
  4. Step 4: Simplify right side
    29,435.90x = 677,968,767.46
  5. Step 5: Solve for x
    x = 677,968,767.46/29,435.90
  6. Step 6: Final answer
    x = 23,032.04

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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.