Home / 76,466.18-114,699.04-20,311.91

Finding the Fourth Proportional to 76,466.18, 114,699.04 and 20,311.91

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Solution

The fourth proportional to 76,466.18, 114,699.04 and 20,311.91 is: 30,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,466.18 : 114,699.04 = 20,311.91 : x
  2. Step 2: Convert to fraction form
    76,466.18/114,699.04 = 20,311.91/x
  3. Step 3: Cross multiply
    76,466.18x = 114,699.04 × 20,311.91
  4. Step 4: Simplify right side
    76,466.18x = 2,329,757,028.59
  5. Step 5: Solve for x
    x = 2,329,757,028.59/76,466.18
  6. Step 6: Final answer
    x = 30,467.81

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1.5x scale

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.