Home / 34,359.30-51,520.73-12,173.40

Finding the Fourth Proportional to 34,359.30, 51,520.73 and 12,173.40

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Solution

The fourth proportional to 34,359.30, 51,520.73 and 12,173.40 is: 18,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,359.30 : 51,520.73 = 12,173.40 : x
  2. Step 2: Convert to fraction form
    34,359.30/51,520.73 = 12,173.40/x
  3. Step 3: Cross multiply
    34,359.30x = 51,520.73 × 12,173.40
  4. Step 4: Simplify right side
    34,359.30x = 627,182,393.72
  5. Step 5: Solve for x
    x = 627,182,393.72/34,359.30
  6. Step 6: Final answer
    x = 18,253.64

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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.