Home / 30,961.16-46,609.13-28,205.54

Finding the Fourth Proportional to 30,961.16, 46,609.13 and 28,205.54

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Solution

The fourth proportional to 30,961.16, 46,609.13 and 28,205.54 is: 42,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,961.16 : 46,609.13 = 28,205.54 : x
  2. Step 2: Convert to fraction form
    30,961.16/46,609.13 = 28,205.54/x
  3. Step 3: Cross multiply
    30,961.16x = 46,609.13 × 28,205.54
  4. Step 4: Simplify right side
    30,961.16x = 1,314,635,680.58
  5. Step 5: Solve for x
    x = 1,314,635,680.58/30,961.16
  6. Step 6: Final answer
    x = 42,460.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.