Home / 43,816.35-65,724.53-30,453.15

Finding the Fourth Proportional to 43,816.35, 65,724.53 and 30,453.15

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Solution

The fourth proportional to 43,816.35, 65,724.53 and 30,453.15 is: 45,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,816.35 : 65,724.53 = 30,453.15 : x
  2. Step 2: Convert to fraction form
    43,816.35/65,724.53 = 30,453.15/x
  3. Step 3: Cross multiply
    43,816.35x = 65,724.53 × 30,453.15
  4. Step 4: Simplify right side
    43,816.35x = 2,001,518,818.50
  5. Step 5: Solve for x
    x = 2,001,518,818.50/43,816.35
  6. Step 6: Final answer
    x = 45,679.73

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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.