Home / 43,549.14-65,334.68-12,384.39

Finding the Fourth Proportional to 43,549.14, 65,334.68 and 12,384.39

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Solution

The fourth proportional to 43,549.14, 65,334.68 and 12,384.39 is: 18,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,549.14 : 65,334.68 = 12,384.39 : x
  2. Step 2: Convert to fraction form
    43,549.14/65,334.68 = 12,384.39/x
  3. Step 3: Cross multiply
    43,549.14x = 65,334.68 × 12,384.39
  4. Step 4: Simplify right side
    43,549.14x = 809,130,239.31
  5. Step 5: Solve for x
    x = 809,130,239.31/43,549.14
  6. Step 6: Final answer
    x = 18,579.71

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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.