Home / 51,896.23-77,873.93-20,308.84

Finding the Fourth Proportional to 51,896.23, 77,873.93 and 20,308.84

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Solution

The fourth proportional to 51,896.23, 77,873.93 and 20,308.84 is: 30,474.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,896.23 : 77,873.93 = 20,308.84 : x
  2. Step 2: Convert to fraction form
    51,896.23/77,873.93 = 20,308.84/x
  3. Step 3: Cross multiply
    51,896.23x = 77,873.93 × 20,308.84
  4. Step 4: Simplify right side
    51,896.23x = 1,581,528,693.63
  5. Step 5: Solve for x
    x = 1,581,528,693.63/51,896.23
  6. Step 6: Final answer
    x = 30,474.83

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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.