Home / 51,929.08-77,896.58-16,871.72

Finding the Fourth Proportional to 51,929.08, 77,896.58 and 16,871.72

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Solution

The fourth proportional to 51,929.08, 77,896.58 and 16,871.72 is: 25,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,929.08 : 77,896.58 = 16,871.72 : x
  2. Step 2: Convert to fraction form
    51,929.08/77,896.58 = 16,871.72/x
  3. Step 3: Cross multiply
    51,929.08x = 77,896.58 × 16,871.72
  4. Step 4: Simplify right side
    51,929.08x = 1,314,249,286.72
  5. Step 5: Solve for x
    x = 1,314,249,286.72/51,929.08
  6. Step 6: Final answer
    x = 25,308.54

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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.