Home / 30,119.02-41,563.04-16,690.84

Finding the Fourth Proportional to 30,119.02, 41,563.04 and 16,690.84

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Solution

The fourth proportional to 30,119.02, 41,563.04 and 16,690.84 is: 23,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.02 : 41,563.04 = 16,690.84 : x
  2. Step 2: Convert to fraction form
    30,119.02/41,563.04 = 16,690.84/x
  3. Step 3: Cross multiply
    30,119.02x = 41,563.04 × 16,690.84
  4. Step 4: Simplify right side
    30,119.02x = 693,722,050.55
  5. Step 5: Solve for x
    x = 693,722,050.55/30,119.02
  6. Step 6: Final answer
    x = 23,032.69

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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.