Home / 54,490.50-81,258.90-53,992.26

Finding the Fourth Proportional to 54,490.50, 81,258.90 and 53,992.26

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Solution

The fourth proportional to 54,490.50, 81,258.90 and 53,992.26 is: 80,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,490.50 : 81,258.90 = 53,992.26 : x
  2. Step 2: Convert to fraction form
    54,490.50/81,258.90 = 53,992.26/x
  3. Step 3: Cross multiply
    54,490.50x = 81,258.90 × 53,992.26
  4. Step 4: Simplify right side
    54,490.50x = 4,387,351,656.11
  5. Step 5: Solve for x
    x = 4,387,351,656.11/54,490.50
  6. Step 6: Final answer
    x = 80,515.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.