Home / 54,788.10-82,268.55-31,460.10

Finding the Fourth Proportional to 54,788.10, 82,268.55 and 31,460.10

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Solution

The fourth proportional to 54,788.10, 82,268.55 and 31,460.10 is: 47,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,788.10 : 82,268.55 = 31,460.10 : x
  2. Step 2: Convert to fraction form
    54,788.10/82,268.55 = 31,460.10/x
  3. Step 3: Cross multiply
    54,788.10x = 82,268.55 × 31,460.10
  4. Step 4: Simplify right side
    54,788.10x = 2,588,176,809.86
  5. Step 5: Solve for x
    x = 2,588,176,809.86/54,788.10
  6. Step 6: Final answer
    x = 47,239.76

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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.