Home / 42,899.54-64,311.23-16,226.90

Finding the Fourth Proportional to 42,899.54, 64,311.23 and 16,226.90

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Solution

The fourth proportional to 42,899.54, 64,311.23 and 16,226.90 is: 24,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,899.54 : 64,311.23 = 16,226.90 : x
  2. Step 2: Convert to fraction form
    42,899.54/64,311.23 = 16,226.90/x
  3. Step 3: Cross multiply
    42,899.54x = 64,311.23 × 16,226.90
  4. Step 4: Simplify right side
    42,899.54x = 1,043,571,858.27
  5. Step 5: Solve for x
    x = 1,043,571,858.27/42,899.54
  6. Step 6: Final answer
    x = 24,325.95

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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.