Home / 51,196.96-76,750.26-20,010.40

Finding the Fourth Proportional to 51,196.96, 76,750.26 and 20,010.40

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Solution

The fourth proportional to 51,196.96, 76,750.26 and 20,010.40 is: 29,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,196.96 : 76,750.26 = 20,010.40 : x
  2. Step 2: Convert to fraction form
    51,196.96/76,750.26 = 20,010.40/x
  3. Step 3: Cross multiply
    51,196.96x = 76,750.26 × 20,010.40
  4. Step 4: Simplify right side
    51,196.96x = 1,535,803,402.70
  5. Step 5: Solve for x
    x = 1,535,803,402.70/51,196.96
  6. Step 6: Final answer
    x = 29,997.94

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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.