Home / 41,775.31-62,656.80-12,185.20

Finding the Fourth Proportional to 41,775.31, 62,656.80 and 12,185.20

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Solution

The fourth proportional to 41,775.31, 62,656.80 and 12,185.20 is: 18,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,775.31 : 62,656.80 = 12,185.20 : x
  2. Step 2: Convert to fraction form
    41,775.31/62,656.80 = 12,185.20/x
  3. Step 3: Cross multiply
    41,775.31x = 62,656.80 × 12,185.20
  4. Step 4: Simplify right side
    41,775.31x = 763,485,639.36
  5. Step 5: Solve for x
    x = 763,485,639.36/41,775.31
  6. Step 6: Final answer
    x = 18,276.00

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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.