Home / 47,774.45-71,670.30-19,679.18

Finding the Fourth Proportional to 47,774.45, 71,670.30 and 19,679.18

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Solution

The fourth proportional to 47,774.45, 71,670.30 and 19,679.18 is: 29,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,774.45 : 71,670.30 = 19,679.18 : x
  2. Step 2: Convert to fraction form
    47,774.45/71,670.30 = 19,679.18/x
  3. Step 3: Cross multiply
    47,774.45x = 71,670.30 × 19,679.18
  4. Step 4: Simplify right side
    47,774.45x = 1,410,412,302.21
  5. Step 5: Solve for x
    x = 1,410,412,302.21/47,774.45
  6. Step 6: Final answer
    x = 29,522.31

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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.