Home / 30,659.62-42,311.12-17,232.10

Finding the Fourth Proportional to 30,659.62, 42,311.12 and 17,232.10

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Solution

The fourth proportional to 30,659.62, 42,311.12 and 17,232.10 is: 23,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659.62 : 42,311.12 = 17,232.10 : x
  2. Step 2: Convert to fraction form
    30,659.62/42,311.12 = 17,232.10/x
  3. Step 3: Cross multiply
    30,659.62x = 42,311.12 × 17,232.10
  4. Step 4: Simplify right side
    30,659.62x = 729,109,450.95
  5. Step 5: Solve for x
    x = 729,109,450.95/30,659.62
  6. Step 6: Final answer
    x = 23,780.77

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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.