Home / 43,909.60-65,864.40-11,077.60

Finding the Fourth Proportional to 43,909.60, 65,864.40 and 11,077.60

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Solution

The fourth proportional to 43,909.60, 65,864.40 and 11,077.60 is: 16,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,909.60 : 65,864.40 = 11,077.60 : x
  2. Step 2: Convert to fraction form
    43,909.60/65,864.40 = 11,077.60/x
  3. Step 3: Cross multiply
    43,909.60x = 65,864.40 × 11,077.60
  4. Step 4: Simplify right side
    43,909.60x = 729,619,477.44
  5. Step 5: Solve for x
    x = 729,619,477.44/43,909.60
  6. Step 6: Final answer
    x = 16,616.40

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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.