Home / 30,553.72-42,174.46-19,242.14

Finding the Fourth Proportional to 30,553.72, 42,174.46 and 19,242.14

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Solution

The fourth proportional to 30,553.72, 42,174.46 and 19,242.14 is: 26,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553.72 : 42,174.46 = 19,242.14 : x
  2. Step 2: Convert to fraction form
    30,553.72/42,174.46 = 19,242.14/x
  3. Step 3: Cross multiply
    30,553.72x = 42,174.46 × 19,242.14
  4. Step 4: Simplify right side
    30,553.72x = 811,526,805.92
  5. Step 5: Solve for x
    x = 811,526,805.92/30,553.72
  6. Step 6: Final answer
    x = 26,560.65

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1.5x scale

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.