Home / 54,728.72-75,575.40-41,276.96

Finding the Fourth Proportional to 54,728.72, 75,575.40 and 41,276.96

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Solution

The fourth proportional to 54,728.72, 75,575.40 and 41,276.96 is: 56,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,728.72 : 75,575.40 = 41,276.96 : x
  2. Step 2: Convert to fraction form
    54,728.72/75,575.40 = 41,276.96/x
  3. Step 3: Cross multiply
    54,728.72x = 75,575.40 × 41,276.96
  4. Step 4: Simplify right side
    54,728.72x = 3,119,522,762.78
  5. Step 5: Solve for x
    x = 3,119,522,762.78/54,728.72
  6. Step 6: Final answer
    x = 56,999.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.