Home / 34,656.56-51,990.16-12,173.28

Finding the Fourth Proportional to 34,656.56, 51,990.16 and 12,173.28

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Solution

The fourth proportional to 34,656.56, 51,990.16 and 12,173.28 is: 18,261.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,656.56 : 51,990.16 = 12,173.28 : x
  2. Step 2: Convert to fraction form
    34,656.56/51,990.16 = 12,173.28/x
  3. Step 3: Cross multiply
    34,656.56x = 51,990.16 × 12,173.28
  4. Step 4: Simplify right side
    34,656.56x = 632,890,774.92
  5. Step 5: Solve for x
    x = 632,890,774.92/34,656.56
  6. Step 6: Final answer
    x = 18,261.79

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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.