Home / 56,227.89-84,313.86-18,775.11

Finding the Fourth Proportional to 56,227.89, 84,313.86 and 18,775.11

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Solution

The fourth proportional to 56,227.89, 84,313.86 and 18,775.11 is: 28,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,227.89 : 84,313.86 = 18,775.11 : x
  2. Step 2: Convert to fraction form
    56,227.89/84,313.86 = 18,775.11/x
  3. Step 3: Cross multiply
    56,227.89x = 84,313.86 × 18,775.11
  4. Step 4: Simplify right side
    56,227.89x = 1,583,001,996.02
  5. Step 5: Solve for x
    x = 1,583,001,996.02/56,227.89
  6. Step 6: Final answer
    x = 28,153.32

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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.