Home / 54,240.90-74,850.24-31,580.55

Finding the Fourth Proportional to 54,240.90, 74,850.24 and 31,580.55

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Solution

The fourth proportional to 54,240.90, 74,850.24 and 31,580.55 is: 43,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,240.90 : 74,850.24 = 31,580.55 : x
  2. Step 2: Convert to fraction form
    54,240.90/74,850.24 = 31,580.55/x
  3. Step 3: Cross multiply
    54,240.90x = 74,850.24 × 31,580.55
  4. Step 4: Simplify right side
    54,240.90x = 2,363,811,746.83
  5. Step 5: Solve for x
    x = 2,363,811,746.83/54,240.90
  6. Step 6: Final answer
    x = 43,579.88

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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.