Home / 34,178.08-51,280.80-16,643.20

Finding the Fourth Proportional to 34,178.08, 51,280.80 and 16,643.20

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Solution

The fourth proportional to 34,178.08, 51,280.80 and 16,643.20 is: 24,971.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,178.08 : 51,280.80 = 16,643.20 : x
  2. Step 2: Convert to fraction form
    34,178.08/51,280.80 = 16,643.20/x
  3. Step 3: Cross multiply
    34,178.08x = 51,280.80 × 16,643.20
  4. Step 4: Simplify right side
    34,178.08x = 853,476,610.56
  5. Step 5: Solve for x
    x = 853,476,610.56/34,178.08
  6. Step 6: Final answer
    x = 24,971.46

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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.