Home / 43,471.84-65,219.40-18,513.04

Finding the Fourth Proportional to 43,471.84, 65,219.40 and 18,513.04

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Solution

The fourth proportional to 43,471.84, 65,219.40 and 18,513.04 is: 27,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,471.84 : 65,219.40 = 18,513.04 : x
  2. Step 2: Convert to fraction form
    43,471.84/65,219.40 = 18,513.04/x
  3. Step 3: Cross multiply
    43,471.84x = 65,219.40 × 18,513.04
  4. Step 4: Simplify right side
    43,471.84x = 1,207,409,360.98
  5. Step 5: Solve for x
    x = 1,207,409,360.98/43,471.84
  6. Step 6: Final answer
    x = 27,774.52

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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.