Home / 64,015.11-96,071.67-28,979.37

Finding the Fourth Proportional to 64,015.11, 96,071.67 and 28,979.37

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Solution

The fourth proportional to 64,015.11, 96,071.67 and 28,979.37 is: 43,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,015.11 : 96,071.67 = 28,979.37 : x
  2. Step 2: Convert to fraction form
    64,015.11/96,071.67 = 28,979.37/x
  3. Step 3: Cross multiply
    64,015.11x = 96,071.67 × 28,979.37
  4. Step 4: Simplify right side
    64,015.11x = 2,784,096,471.45
  5. Step 5: Solve for x
    x = 2,784,096,471.45/64,015.11
  6. Step 6: Final answer
    x = 43,491.24

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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.