Home / 30,549.99-42,179.49-19,082.34

Finding the Fourth Proportional to 30,549.99, 42,179.49 and 19,082.34

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Solution

The fourth proportional to 30,549.99, 42,179.49 and 19,082.34 is: 26,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,549.99 : 42,179.49 = 19,082.34 : x
  2. Step 2: Convert to fraction form
    30,549.99/42,179.49 = 19,082.34/x
  3. Step 3: Cross multiply
    30,549.99x = 42,179.49 × 19,082.34
  4. Step 4: Simplify right side
    30,549.99x = 804,883,369.21
  5. Step 5: Solve for x
    x = 804,883,369.21/30,549.99
  6. Step 6: Final answer
    x = 26,346.44

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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.