Home / 35,280.90-52,918.10-11,907.54

Finding the Fourth Proportional to 35,280.90, 52,918.10 and 11,907.54

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Solution

The fourth proportional to 35,280.90, 52,918.10 and 11,907.54 is: 17,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,280.90 : 52,918.10 = 11,907.54 : x
  2. Step 2: Convert to fraction form
    35,280.90/52,918.10 = 11,907.54/x
  3. Step 3: Cross multiply
    35,280.90x = 52,918.10 × 11,907.54
  4. Step 4: Simplify right side
    35,280.90x = 630,124,392.47
  5. Step 5: Solve for x
    x = 630,124,392.47/35,280.90
  6. Step 6: Final answer
    x = 17,860.21

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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.