Home / 43,389.14-65,080.94-13,828.19

Finding the Fourth Proportional to 43,389.14, 65,080.94 and 13,828.19

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Solution

The fourth proportional to 43,389.14, 65,080.94 and 13,828.19 is: 20,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,389.14 : 65,080.94 = 13,828.19 : x
  2. Step 2: Convert to fraction form
    43,389.14/65,080.94 = 13,828.19/x
  3. Step 3: Cross multiply
    43,389.14x = 65,080.94 × 13,828.19
  4. Step 4: Simplify right side
    43,389.14x = 899,951,209.15
  5. Step 5: Solve for x
    x = 899,951,209.15/43,389.14
  6. Step 6: Final answer
    x = 20,741.40

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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.