Home / 54,608.65-81,913.01-15,165.76

Finding the Fourth Proportional to 54,608.65, 81,913.01 and 15,165.76

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Solution

The fourth proportional to 54,608.65, 81,913.01 and 15,165.76 is: 22,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,608.65 : 81,913.01 = 15,165.76 : x
  2. Step 2: Convert to fraction form
    54,608.65/81,913.01 = 15,165.76/x
  3. Step 3: Cross multiply
    54,608.65x = 81,913.01 × 15,165.76
  4. Step 4: Simplify right side
    54,608.65x = 1,242,273,050.54
  5. Step 5: Solve for x
    x = 1,242,273,050.54/54,608.65
  6. Step 6: Final answer
    x = 22,748.65

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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.