Home / 30,855.79-46,283.69-7,482.23

Finding the Fourth Proportional to 30,855.79, 46,283.69 and 7,482.23

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Solution

The fourth proportional to 30,855.79, 46,283.69 and 7,482.23 is: 11,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.79 : 46,283.69 = 7,482.23 : x
  2. Step 2: Convert to fraction form
    30,855.79/46,283.69 = 7,482.23/x
  3. Step 3: Cross multiply
    30,855.79x = 46,283.69 × 7,482.23
  4. Step 4: Simplify right side
    30,855.79x = 346,304,945.00
  5. Step 5: Solve for x
    x = 346,304,945.00/30,855.79
  6. Step 6: Final answer
    x = 11,223.34

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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.