Home / 30,620.60-45,930.90-9,562.44

Finding the Fourth Proportional to 30,620.60, 45,930.90 and 9,562.44

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Solution

The fourth proportional to 30,620.60, 45,930.90 and 9,562.44 is: 14,343.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,620.60 : 45,930.90 = 9,562.44 : x
  2. Step 2: Convert to fraction form
    30,620.60/45,930.90 = 9,562.44/x
  3. Step 3: Cross multiply
    30,620.60x = 45,930.90 × 9,562.44
  4. Step 4: Simplify right side
    30,620.60x = 439,211,371.35
  5. Step 5: Solve for x
    x = 439,211,371.35/30,620.60
  6. Step 6: Final answer
    x = 14,343.66

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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.