Home / 43,404.20-65,106.30-28,629.80

Finding the Fourth Proportional to 43,404.20, 65,106.30 and 28,629.80

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Solution

The fourth proportional to 43,404.20, 65,106.30 and 28,629.80 is: 42,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,404.20 : 65,106.30 = 28,629.80 : x
  2. Step 2: Convert to fraction form
    43,404.20/65,106.30 = 28,629.80/x
  3. Step 3: Cross multiply
    43,404.20x = 65,106.30 × 28,629.80
  4. Step 4: Simplify right side
    43,404.20x = 1,863,980,347.74
  5. Step 5: Solve for x
    x = 1,863,980,347.74/43,404.20
  6. Step 6: Final answer
    x = 42,944.70

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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.