Home / 43,470.60-65,209.50-13,892.64

Finding the Fourth Proportional to 43,470.60, 65,209.50 and 13,892.64

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Solution

The fourth proportional to 43,470.60, 65,209.50 and 13,892.64 is: 20,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,470.60 : 65,209.50 = 13,892.64 : x
  2. Step 2: Convert to fraction form
    43,470.60/65,209.50 = 13,892.64/x
  3. Step 3: Cross multiply
    43,470.60x = 65,209.50 × 13,892.64
  4. Step 4: Simplify right side
    43,470.60x = 905,932,108.08
  5. Step 5: Solve for x
    x = 905,932,108.08/43,470.60
  6. Step 6: Final answer
    x = 20,840.11

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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.