Home / 64,478.28-96,717.96-20,103.24

Finding the Fourth Proportional to 64,478.28, 96,717.96 and 20,103.24

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Solution

The fourth proportional to 64,478.28, 96,717.96 and 20,103.24 is: 30,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,478.28 : 96,717.96 = 20,103.24 : x
  2. Step 2: Convert to fraction form
    64,478.28/96,717.96 = 20,103.24/x
  3. Step 3: Cross multiply
    64,478.28x = 96,717.96 × 20,103.24
  4. Step 4: Simplify right side
    64,478.28x = 1,944,344,362.19
  5. Step 5: Solve for x
    x = 1,944,344,362.19/64,478.28
  6. Step 6: Final answer
    x = 30,155.03

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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.