Home / 43,403.84-65,084.21-13,817.83

Finding the Fourth Proportional to 43,403.84, 65,084.21 and 13,817.83

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Solution

The fourth proportional to 43,403.84, 65,084.21 and 13,817.83 is: 20,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,403.84 : 65,084.21 = 13,817.83 : x
  2. Step 2: Convert to fraction form
    43,403.84/65,084.21 = 13,817.83/x
  3. Step 3: Cross multiply
    43,403.84x = 65,084.21 × 13,817.83
  4. Step 4: Simplify right side
    43,403.84x = 899,322,549.46
  5. Step 5: Solve for x
    x = 899,322,549.46/43,403.84
  6. Step 6: Final answer
    x = 20,719.88

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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.