Home / 37,803.98-56,727.94-20,938.70

Finding the Fourth Proportional to 37,803.98, 56,727.94 and 20,938.70

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Solution

The fourth proportional to 37,803.98, 56,727.94 and 20,938.70 is: 31,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,803.98 : 56,727.94 = 20,938.70 : x
  2. Step 2: Convert to fraction form
    37,803.98/56,727.94 = 20,938.70/x
  3. Step 3: Cross multiply
    37,803.98x = 56,727.94 × 20,938.70
  4. Step 4: Simplify right side
    37,803.98x = 1,187,809,317.28
  5. Step 5: Solve for x
    x = 1,187,809,317.28/37,803.98
  6. Step 6: Final answer
    x = 31,420.22

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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.