Home / 43,487.28-65,286-36,181.08

Finding the Fourth Proportional to 43,487.28, 65,286 and 36,181.08

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Solution

The fourth proportional to 43,487.28, 65,286 and 36,181.08 is: 54,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,487.28 : 65,286 = 36,181.08 : x
  2. Step 2: Convert to fraction form
    43,487.28/65,286 = 36,181.08/x
  3. Step 3: Cross multiply
    43,487.28x = 65,286 × 36,181.08
  4. Step 4: Simplify right side
    43,487.28x = 2,362,117,988.88
  5. Step 5: Solve for x
    x = 2,362,117,988.88/43,487.28
  6. Step 6: Final answer
    x = 54,317.45

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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.