Home / 30,830.30-46,245.46-7,456.76

Finding the Fourth Proportional to 30,830.30, 46,245.46 and 7,456.76

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Solution

The fourth proportional to 30,830.30, 46,245.46 and 7,456.76 is: 11,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,830.30 : 46,245.46 = 7,456.76 : x
  2. Step 2: Convert to fraction form
    30,830.30/46,245.46 = 7,456.76/x
  3. Step 3: Cross multiply
    30,830.30x = 46,245.46 × 7,456.76
  4. Step 4: Simplify right side
    30,830.30x = 344,841,296.31
  5. Step 5: Solve for x
    x = 344,841,296.31/30,830.30
  6. Step 6: Final answer
    x = 11,185.14

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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.