Home / 30,311.48-45,467.31-10,590.04

Finding the Fourth Proportional to 30,311.48, 45,467.31 and 10,590.04

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Solution

The fourth proportional to 30,311.48, 45,467.31 and 10,590.04 is: 15,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.48 : 45,467.31 = 10,590.04 : x
  2. Step 2: Convert to fraction form
    30,311.48/45,467.31 = 10,590.04/x
  3. Step 3: Cross multiply
    30,311.48x = 45,467.31 × 10,590.04
  4. Step 4: Simplify right side
    30,311.48x = 481,500,517.92
  5. Step 5: Solve for x
    x = 481,500,517.92/30,311.48
  6. Step 6: Final answer
    x = 15,885.09

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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.