Home / 43,400.58-65,100.68-18,436.80

Finding the Fourth Proportional to 43,400.58, 65,100.68 and 18,436.80

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Solution

The fourth proportional to 43,400.58, 65,100.68 and 18,436.80 is: 27,655.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,400.58 : 65,100.68 = 18,436.80 : x
  2. Step 2: Convert to fraction form
    43,400.58/65,100.68 = 18,436.80/x
  3. Step 3: Cross multiply
    43,400.58x = 65,100.68 × 18,436.80
  4. Step 4: Simplify right side
    43,400.58x = 1,200,248,217.02
  5. Step 5: Solve for x
    x = 1,200,248,217.02/43,400.58
  6. Step 6: Final answer
    x = 27,655.12

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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.