Home / 51,293.08-76,942.86-21,707.02

Finding the Fourth Proportional to 51,293.08, 76,942.86 and 21,707.02

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Solution

The fourth proportional to 51,293.08, 76,942.86 and 21,707.02 is: 32,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,293.08 : 76,942.86 = 21,707.02 : x
  2. Step 2: Convert to fraction form
    51,293.08/76,942.86 = 21,707.02/x
  3. Step 3: Cross multiply
    51,293.08x = 76,942.86 × 21,707.02
  4. Step 4: Simplify right side
    51,293.08x = 1,670,200,200.88
  5. Step 5: Solve for x
    x = 1,670,200,200.88/51,293.08
  6. Step 6: Final answer
    x = 32,561.90

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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.