Home / 54,820.78-82,236.32-15,377.72

Finding the Fourth Proportional to 54,820.78, 82,236.32 and 15,377.72

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Solution

The fourth proportional to 54,820.78, 82,236.32 and 15,377.72 is: 23,068.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,820.78 : 82,236.32 = 15,377.72 : x
  2. Step 2: Convert to fraction form
    54,820.78/82,236.32 = 15,377.72/x
  3. Step 3: Cross multiply
    54,820.78x = 82,236.32 × 15,377.72
  4. Step 4: Simplify right side
    54,820.78x = 1,264,607,102.79
  5. Step 5: Solve for x
    x = 1,264,607,102.79/54,820.78
  6. Step 6: Final answer
    x = 23,068.02

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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.