Home / 43,945.60-65,764.80-40,259.20

Finding the Fourth Proportional to 43,945.60, 65,764.80 and 40,259.20

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Solution

The fourth proportional to 43,945.60, 65,764.80 and 40,259.20 is: 60,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,945.60 : 65,764.80 = 40,259.20 : x
  2. Step 2: Convert to fraction form
    43,945.60/65,764.80 = 40,259.20/x
  3. Step 3: Cross multiply
    43,945.60x = 65,764.80 × 40,259.20
  4. Step 4: Simplify right side
    43,945.60x = 2,647,638,236.16
  5. Step 5: Solve for x
    x = 2,647,638,236.16/43,945.60
  6. Step 6: Final answer
    x = 60,248.08

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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.