Home / 42,450.80-63,676.20-37,858.10

Finding the Fourth Proportional to 42,450.80, 63,676.20 and 37,858.10

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Solution

The fourth proportional to 42,450.80, 63,676.20 and 37,858.10 is: 56,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,450.80 : 63,676.20 = 37,858.10 : x
  2. Step 2: Convert to fraction form
    42,450.80/63,676.20 = 37,858.10/x
  3. Step 3: Cross multiply
    42,450.80x = 63,676.20 × 37,858.10
  4. Step 4: Simplify right side
    42,450.80x = 2,410,659,947.22
  5. Step 5: Solve for x
    x = 2,410,659,947.22/42,450.80
  6. Step 6: Final answer
    x = 56,787.15

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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.