Home / 30,294.88-41,783.28-19,687.96

Finding the Fourth Proportional to 30,294.88, 41,783.28 and 19,687.96

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Solution

The fourth proportional to 30,294.88, 41,783.28 and 19,687.96 is: 27,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,294.88 : 41,783.28 = 19,687.96 : x
  2. Step 2: Convert to fraction form
    30,294.88/41,783.28 = 19,687.96/x
  3. Step 3: Cross multiply
    30,294.88x = 41,783.28 × 19,687.96
  4. Step 4: Simplify right side
    30,294.88x = 822,627,545.31
  5. Step 5: Solve for x
    x = 822,627,545.31/30,294.88
  6. Step 6: Final answer
    x = 27,154.01

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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.