Home / 64,429.04-96,639.24-17,678

Finding the Fourth Proportional to 64,429.04, 96,639.24 and 17,678

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Solution

The fourth proportional to 64,429.04, 96,639.24 and 17,678 is: 26,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,429.04 : 96,639.24 = 17,678 : x
  2. Step 2: Convert to fraction form
    64,429.04/96,639.24 = 17,678/x
  3. Step 3: Cross multiply
    64,429.04x = 96,639.24 × 17,678
  4. Step 4: Simplify right side
    64,429.04x = 1,708,388,484.72
  5. Step 5: Solve for x
    x = 1,708,388,484.72/64,429.04
  6. Step 6: Final answer
    x = 26,515.81

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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.