Home / 30,311.06-45,466.48-13,651.58

Finding the Fourth Proportional to 30,311.06, 45,466.48 and 13,651.58

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Solution

The fourth proportional to 30,311.06, 45,466.48 and 13,651.58 is: 20,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.06 : 45,466.48 = 13,651.58 : x
  2. Step 2: Convert to fraction form
    30,311.06/45,466.48 = 13,651.58/x
  3. Step 3: Cross multiply
    30,311.06x = 45,466.48 × 13,651.58
  4. Step 4: Simplify right side
    30,311.06x = 620,689,289.04
  5. Step 5: Solve for x
    x = 620,689,289.04/30,311.06
  6. Step 6: Final answer
    x = 20,477.32

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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.