Home / 43,538.28-65,181.87-39,036.30

Finding the Fourth Proportional to 43,538.28, 65,181.87 and 39,036.30

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Solution

The fourth proportional to 43,538.28, 65,181.87 and 39,036.30 is: 58,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,538.28 : 65,181.87 = 39,036.30 : x
  2. Step 2: Convert to fraction form
    43,538.28/65,181.87 = 39,036.30/x
  3. Step 3: Cross multiply
    43,538.28x = 65,181.87 × 39,036.30
  4. Step 4: Simplify right side
    43,538.28x = 2,544,459,031.88
  5. Step 5: Solve for x
    x = 2,544,459,031.88/43,538.28
  6. Step 6: Final answer
    x = 58,441.88

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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.