Home / 29,381.04-40,517.88-19,318

Finding the Fourth Proportional to 29,381.04, 40,517.88 and 19,318

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Solution

The fourth proportional to 29,381.04, 40,517.88 and 19,318 is: 26,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381.04 : 40,517.88 = 19,318 : x
  2. Step 2: Convert to fraction form
    29,381.04/40,517.88 = 19,318/x
  3. Step 3: Cross multiply
    29,381.04x = 40,517.88 × 19,318
  4. Step 4: Simplify right side
    29,381.04x = 782,724,405.84
  5. Step 5: Solve for x
    x = 782,724,405.84/29,381.04
  6. Step 6: Final answer
    x = 26,640.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.