Home / 51,136.37-76,702.73-17,856.30

Finding the Fourth Proportional to 51,136.37, 76,702.73 and 17,856.30

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Solution

The fourth proportional to 51,136.37, 76,702.73 and 17,856.30 is: 26,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.37 : 76,702.73 = 17,856.30 : x
  2. Step 2: Convert to fraction form
    51,136.37/76,702.73 = 17,856.30/x
  3. Step 3: Cross multiply
    51,136.37x = 76,702.73 × 17,856.30
  4. Step 4: Simplify right side
    51,136.37x = 1,369,626,868.42
  5. Step 5: Solve for x
    x = 1,369,626,868.42/51,136.37
  6. Step 6: Final answer
    x = 26,783.81

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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.