Home / 30,160.88-41,622.12-16,732.40

Finding the Fourth Proportional to 30,160.88, 41,622.12 and 16,732.40

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Solution

The fourth proportional to 30,160.88, 41,622.12 and 16,732.40 is: 23,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.88 : 41,622.12 = 16,732.40 : x
  2. Step 2: Convert to fraction form
    30,160.88/41,622.12 = 16,732.40/x
  3. Step 3: Cross multiply
    30,160.88x = 41,622.12 × 16,732.40
  4. Step 4: Simplify right side
    30,160.88x = 696,437,960.69
  5. Step 5: Solve for x
    x = 696,437,960.69/30,160.88
  6. Step 6: Final answer
    x = 23,090.77

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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.