Home / 30,311.85-45,467.87-10,590.41

Finding the Fourth Proportional to 30,311.85, 45,467.87 and 10,590.41

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Solution

The fourth proportional to 30,311.85, 45,467.87 and 10,590.41 is: 15,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.85 : 45,467.87 = 10,590.41 : x
  2. Step 2: Convert to fraction form
    30,311.85/45,467.87 = 10,590.41/x
  3. Step 3: Cross multiply
    30,311.85x = 45,467.87 × 10,590.41
  4. Step 4: Simplify right side
    30,311.85x = 481,523,505.42
  5. Step 5: Solve for x
    x = 481,523,505.42/30,311.85
  6. Step 6: Final answer
    x = 15,885.65

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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.