Home / 43,439.60-65,160.62-15,355.69

Finding the Fourth Proportional to 43,439.60, 65,160.62 and 15,355.69

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Solution

The fourth proportional to 43,439.60, 65,160.62 and 15,355.69 is: 23,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,439.60 : 65,160.62 = 15,355.69 : x
  2. Step 2: Convert to fraction form
    43,439.60/65,160.62 = 15,355.69/x
  3. Step 3: Cross multiply
    43,439.60x = 65,160.62 × 15,355.69
  4. Step 4: Simplify right side
    43,439.60x = 1,000,585,878.35
  5. Step 5: Solve for x
    x = 1,000,585,878.35/43,439.60
  6. Step 6: Final answer
    x = 23,033.96

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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.