Home / 30,156.55-41,621.02-16,732.12

Finding the Fourth Proportional to 30,156.55, 41,621.02 and 16,732.12

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Solution

The fourth proportional to 30,156.55, 41,621.02 and 16,732.12 is: 23,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156.55 : 41,621.02 = 16,732.12 : x
  2. Step 2: Convert to fraction form
    30,156.55/41,621.02 = 16,732.12/x
  3. Step 3: Cross multiply
    30,156.55x = 41,621.02 × 16,732.12
  4. Step 4: Simplify right side
    30,156.55x = 696,407,901.16
  5. Step 5: Solve for x
    x = 696,407,901.16/30,156.55
  6. Step 6: Final answer
    x = 23,093.09

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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.