Home / 30,830.51-46,245.61-7,456.95

Finding the Fourth Proportional to 30,830.51, 46,245.61 and 7,456.95

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Solution

The fourth proportional to 30,830.51, 46,245.61 and 7,456.95 is: 11,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,830.51 : 46,245.61 = 7,456.95 : x
  2. Step 2: Convert to fraction form
    30,830.51/46,245.61 = 7,456.95/x
  3. Step 3: Cross multiply
    30,830.51x = 46,245.61 × 7,456.95
  4. Step 4: Simplify right side
    30,830.51x = 344,851,201.49
  5. Step 5: Solve for x
    x = 344,851,201.49/30,830.51
  6. Step 6: Final answer
    x = 11,185.39

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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.