Home / 43,538.80-65,135.40-37,759.60

Finding the Fourth Proportional to 43,538.80, 65,135.40 and 37,759.60

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Solution

The fourth proportional to 43,538.80, 65,135.40 and 37,759.60 is: 56,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,538.80 : 65,135.40 = 37,759.60 : x
  2. Step 2: Convert to fraction form
    43,538.80/65,135.40 = 37,759.60/x
  3. Step 3: Cross multiply
    43,538.80x = 65,135.40 × 37,759.60
  4. Step 4: Simplify right side
    43,538.80x = 2,459,486,649.84
  5. Step 5: Solve for x
    x = 2,459,486,649.84/43,538.80
  6. Step 6: Final answer
    x = 56,489.54

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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.