Home / 30,244.44-45,320.46-12,704.68

Finding the Fourth Proportional to 30,244.44, 45,320.46 and 12,704.68

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Solution

The fourth proportional to 30,244.44, 45,320.46 and 12,704.68 is: 19,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.44 : 45,320.46 = 12,704.68 : x
  2. Step 2: Convert to fraction form
    30,244.44/45,320.46 = 12,704.68/x
  3. Step 3: Cross multiply
    30,244.44x = 45,320.46 × 12,704.68
  4. Step 4: Simplify right side
    30,244.44x = 575,781,941.75
  5. Step 5: Solve for x
    x = 575,781,941.75/30,244.44
  6. Step 6: Final answer
    x = 19,037.61

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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.