Home / 30,721.85-46,090.82-9,661.04

Finding the Fourth Proportional to 30,721.85, 46,090.82 and 9,661.04

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Solution

The fourth proportional to 30,721.85, 46,090.82 and 9,661.04 is: 14,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721.85 : 46,090.82 = 9,661.04 : x
  2. Step 2: Convert to fraction form
    30,721.85/46,090.82 = 9,661.04/x
  3. Step 3: Cross multiply
    30,721.85x = 46,090.82 × 9,661.04
  4. Step 4: Simplify right side
    30,721.85x = 445,284,976.89
  5. Step 5: Solve for x
    x = 445,284,976.89/30,721.85
  6. Step 6: Final answer
    x = 14,494.08

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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.