Home / 37,966.40-56,943.74-12,666.36

Finding the Fourth Proportional to 37,966.40, 56,943.74 and 12,666.36

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Solution

The fourth proportional to 37,966.40, 56,943.74 and 12,666.36 is: 18,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,966.40 : 56,943.74 = 12,666.36 : x
  2. Step 2: Convert to fraction form
    37,966.40/56,943.74 = 12,666.36/x
  3. Step 3: Cross multiply
    37,966.40x = 56,943.74 × 12,666.36
  4. Step 4: Simplify right side
    37,966.40x = 721,269,910.59
  5. Step 5: Solve for x
    x = 721,269,910.59/37,966.40
  6. Step 6: Final answer
    x = 18,997.58

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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.