Home / 30,302.72-41,825.12-17,553.84

Finding the Fourth Proportional to 30,302.72, 41,825.12 and 17,553.84

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Solution

The fourth proportional to 30,302.72, 41,825.12 and 17,553.84 is: 24,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.72 : 41,825.12 = 17,553.84 : x
  2. Step 2: Convert to fraction form
    30,302.72/41,825.12 = 17,553.84/x
  3. Step 3: Cross multiply
    30,302.72x = 41,825.12 × 17,553.84
  4. Step 4: Simplify right side
    30,302.72x = 734,191,376.69
  5. Step 5: Solve for x
    x = 734,191,376.69/30,302.72
  6. Step 6: Final answer
    x = 24,228.56

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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.