Home / 34,873.78-48,122.22-20,723.90

Finding the Fourth Proportional to 34,873.78, 48,122.22 and 20,723.90

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Solution

The fourth proportional to 34,873.78, 48,122.22 and 20,723.90 is: 28,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,873.78 : 48,122.22 = 20,723.90 : x
  2. Step 2: Convert to fraction form
    34,873.78/48,122.22 = 20,723.90/x
  3. Step 3: Cross multiply
    34,873.78x = 48,122.22 × 20,723.90
  4. Step 4: Simplify right side
    34,873.78x = 997,280,075.06
  5. Step 5: Solve for x
    x = 997,280,075.06/34,873.78
  6. Step 6: Final answer
    x = 28,596.84

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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.