Home / 51,101.28-76,646.07-13,664.27

Finding the Fourth Proportional to 51,101.28, 76,646.07 and 13,664.27

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Solution

The fourth proportional to 51,101.28, 76,646.07 and 13,664.27 is: 20,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,101.28 : 76,646.07 = 13,664.27 : x
  2. Step 2: Convert to fraction form
    51,101.28/76,646.07 = 13,664.27/x
  3. Step 3: Cross multiply
    51,101.28x = 76,646.07 × 13,664.27
  4. Step 4: Simplify right side
    51,101.28x = 1,047,312,942.36
  5. Step 5: Solve for x
    x = 1,047,312,942.36/51,101.28
  6. Step 6: Final answer
    x = 20,494.85

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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.