Home / 30,961.61-42,727.53-16,814.44

Finding the Fourth Proportional to 30,961.61, 42,727.53 and 16,814.44

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Solution

The fourth proportional to 30,961.61, 42,727.53 and 16,814.44 is: 23,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,961.61 : 42,727.53 = 16,814.44 : x
  2. Step 2: Convert to fraction form
    30,961.61/42,727.53 = 16,814.44/x
  3. Step 3: Cross multiply
    30,961.61x = 42,727.53 × 16,814.44
  4. Step 4: Simplify right side
    30,961.61x = 718,439,489.53
  5. Step 5: Solve for x
    x = 718,439,489.53/30,961.61
  6. Step 6: Final answer
    x = 23,204.20

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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.