Home / 30,048.35-45,075.65-11,344.15

Finding the Fourth Proportional to 30,048.35, 45,075.65 and 11,344.15

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Solution

The fourth proportional to 30,048.35, 45,075.65 and 11,344.15 is: 17,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,048.35 : 45,075.65 = 11,344.15 : x
  2. Step 2: Convert to fraction form
    30,048.35/45,075.65 = 11,344.15/x
  3. Step 3: Cross multiply
    30,048.35x = 45,075.65 × 11,344.15
  4. Step 4: Simplify right side
    30,048.35x = 511,344,765.54
  5. Step 5: Solve for x
    x = 511,344,765.54/30,048.35
  6. Step 6: Final answer
    x = 17,017.40

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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.