Home / 51,318.42-76,985.82-21,736.50

Finding the Fourth Proportional to 51,318.42, 76,985.82 and 21,736.50

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Solution

The fourth proportional to 51,318.42, 76,985.82 and 21,736.50 is: 32,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,318.42 : 76,985.82 = 21,736.50 : x
  2. Step 2: Convert to fraction form
    51,318.42/76,985.82 = 21,736.50/x
  3. Step 3: Cross multiply
    51,318.42x = 76,985.82 × 21,736.50
  4. Step 4: Simplify right side
    51,318.42x = 1,673,402,276.43
  5. Step 5: Solve for x
    x = 1,673,402,276.43/51,318.42
  6. Step 6: Final answer
    x = 32,608.22

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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.