Home / 42,157.22-63,235.84-12,595.82

Finding the Fourth Proportional to 42,157.22, 63,235.84 and 12,595.82

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Solution

The fourth proportional to 42,157.22, 63,235.84 and 12,595.82 is: 18,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,157.22 : 63,235.84 = 12,595.82 : x
  2. Step 2: Convert to fraction form
    42,157.22/63,235.84 = 12,595.82/x
  3. Step 3: Cross multiply
    42,157.22x = 63,235.84 × 12,595.82
  4. Step 4: Simplify right side
    42,157.22x = 796,507,258.19
  5. Step 5: Solve for x
    x = 796,507,258.19/42,157.22
  6. Step 6: Final answer
    x = 18,893.73

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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.