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Finding the Fourth Proportional to 30,797.40, 46,163.70 and 12,070.20

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Solution

The fourth proportional to 30,797.40, 46,163.70 and 12,070.20 is: 18,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,797.40 : 46,163.70 = 12,070.20 : x
  2. Step 2: Convert to fraction form
    30,797.40/46,163.70 = 12,070.20/x
  3. Step 3: Cross multiply
    30,797.40x = 46,163.70 × 12,070.20
  4. Step 4: Simplify right side
    30,797.40x = 557,205,091.74
  5. Step 5: Solve for x
    x = 557,205,091.74/30,797.40
  6. Step 6: Final answer
    x = 18,092.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.