Home / 30,775.04-46,133.60-28,036

Finding the Fourth Proportional to 30,775.04, 46,133.60 and 28,036

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Solution

The fourth proportional to 30,775.04, 46,133.60 and 28,036 is: 42,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,775.04 : 46,133.60 = 28,036 : x
  2. Step 2: Convert to fraction form
    30,775.04/46,133.60 = 28,036/x
  3. Step 3: Cross multiply
    30,775.04x = 46,133.60 × 28,036
  4. Step 4: Simplify right side
    30,775.04x = 1,293,401,609.60
  5. Step 5: Solve for x
    x = 1,293,401,609.60/30,775.04
  6. Step 6: Final answer
    x = 42,027.62

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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.