Home / 43,390.08-65,076.96-13,808.24

Finding the Fourth Proportional to 43,390.08, 65,076.96 and 13,808.24

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Solution

The fourth proportional to 43,390.08, 65,076.96 and 13,808.24 is: 20,709.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,390.08 : 65,076.96 = 13,808.24 : x
  2. Step 2: Convert to fraction form
    43,390.08/65,076.96 = 13,808.24/x
  3. Step 3: Cross multiply
    43,390.08x = 65,076.96 × 13,808.24
  4. Step 4: Simplify right side
    43,390.08x = 898,598,282.15
  5. Step 5: Solve for x
    x = 898,598,282.15/43,390.08
  6. Step 6: Final answer
    x = 20,709.76

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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.