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Finding the Fourth Proportional to 30,082.74, 41,525.11 and 17,507.49

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Solution

The fourth proportional to 30,082.74, 41,525.11 and 17,507.49 is: 24,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,082.74 : 41,525.11 = 17,507.49 : x
  2. Step 2: Convert to fraction form
    30,082.74/41,525.11 = 17,507.49/x
  3. Step 3: Cross multiply
    30,082.74x = 41,525.11 × 17,507.49
  4. Step 4: Simplify right side
    30,082.74x = 727,000,448.07
  5. Step 5: Solve for x
    x = 727,000,448.07/30,082.74
  6. Step 6: Final answer
    x = 24,166.70

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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.