Home / 37,676.31-51,990.46-20,677.86

Finding the Fourth Proportional to 37,676.31, 51,990.46 and 20,677.86

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Solution

The fourth proportional to 37,676.31, 51,990.46 and 20,677.86 is: 28,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,676.31 : 51,990.46 = 20,677.86 : x
  2. Step 2: Convert to fraction form
    37,676.31/51,990.46 = 20,677.86/x
  3. Step 3: Cross multiply
    37,676.31x = 51,990.46 × 20,677.86
  4. Step 4: Simplify right side
    37,676.31x = 1,075,051,255.30
  5. Step 5: Solve for x
    x = 1,075,051,255.30/37,676.31
  6. Step 6: Final answer
    x = 28,533.88

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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.