Home / 37,676.61-51,994.40-20,682.45

Finding the Fourth Proportional to 37,676.61, 51,994.40 and 20,682.45

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Solution

The fourth proportional to 37,676.61, 51,994.40 and 20,682.45 is: 28,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,676.61 : 51,994.40 = 20,682.45 : x
  2. Step 2: Convert to fraction form
    37,676.61/51,994.40 = 20,682.45/x
  3. Step 3: Cross multiply
    37,676.61x = 51,994.40 × 20,682.45
  4. Step 4: Simplify right side
    37,676.61x = 1,075,371,474.87
  5. Step 5: Solve for x
    x = 1,075,371,474.87/37,676.61
  6. Step 6: Final answer
    x = 28,542.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.