Home / 44,276.72-66,415.52-12,690.48

Finding the Fourth Proportional to 44,276.72, 66,415.52 and 12,690.48

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Solution

The fourth proportional to 44,276.72, 66,415.52 and 12,690.48 is: 19,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,276.72 : 66,415.52 = 12,690.48 : x
  2. Step 2: Convert to fraction form
    44,276.72/66,415.52 = 12,690.48/x
  3. Step 3: Cross multiply
    44,276.72x = 66,415.52 × 12,690.48
  4. Step 4: Simplify right side
    44,276.72x = 842,844,828.25
  5. Step 5: Solve for x
    x = 842,844,828.25/44,276.72
  6. Step 6: Final answer
    x = 19,035.85

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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.