Home / 37,622.30-56,442.10-12,661.68

Finding the Fourth Proportional to 37,622.30, 56,442.10 and 12,661.68

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Solution

The fourth proportional to 37,622.30, 56,442.10 and 12,661.68 is: 18,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,622.30 : 56,442.10 = 12,661.68 : x
  2. Step 2: Convert to fraction form
    37,622.30/56,442.10 = 12,661.68/x
  3. Step 3: Cross multiply
    37,622.30x = 56,442.10 × 12,661.68
  4. Step 4: Simplify right side
    37,622.30x = 714,651,808.73
  5. Step 5: Solve for x
    x = 714,651,808.73/37,622.30
  6. Step 6: Final answer
    x = 18,995.43

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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.