Home / 30,690.96-46,027.35-13,156.62

Finding the Fourth Proportional to 30,690.96, 46,027.35 and 13,156.62

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Solution

The fourth proportional to 30,690.96, 46,027.35 and 13,156.62 is: 19,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690.96 : 46,027.35 = 13,156.62 : x
  2. Step 2: Convert to fraction form
    30,690.96/46,027.35 = 13,156.62/x
  3. Step 3: Cross multiply
    30,690.96x = 46,027.35 × 13,156.62
  4. Step 4: Simplify right side
    30,690.96x = 605,564,353.56
  5. Step 5: Solve for x
    x = 605,564,353.56/30,690.96
  6. Step 6: Final answer
    x = 19,731.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.