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Finding the Fourth Proportional to 30,998.40, 46,400.40 and 22,250.40

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Solution

The fourth proportional to 30,998.40, 46,400.40 and 22,250.40 is: 33,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,998.40 : 46,400.40 = 22,250.40 : x
  2. Step 2: Convert to fraction form
    30,998.40/46,400.40 = 22,250.40/x
  3. Step 3: Cross multiply
    30,998.40x = 46,400.40 × 22,250.40
  4. Step 4: Simplify right side
    30,998.40x = 1,032,427,460.16
  5. Step 5: Solve for x
    x = 1,032,427,460.16/30,998.40
  6. Step 6: Final answer
    x = 33,305.83

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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.