Home / 30,933.90-46,417.86-13,403.88

Finding the Fourth Proportional to 30,933.90, 46,417.86 and 13,403.88

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Solution

The fourth proportional to 30,933.90, 46,417.86 and 13,403.88 is: 20,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,933.90 : 46,417.86 = 13,403.88 : x
  2. Step 2: Convert to fraction form
    30,933.90/46,417.86 = 13,403.88/x
  3. Step 3: Cross multiply
    30,933.90x = 46,417.86 × 13,403.88
  4. Step 4: Simplify right side
    30,933.90x = 622,179,425.30
  5. Step 5: Solve for x
    x = 622,179,425.30/30,933.90
  6. Step 6: Final answer
    x = 20,113.19

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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.