Home / 54,039.89-81,088.37-38,346.32

Finding the Fourth Proportional to 54,039.89, 81,088.37 and 38,346.32

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Solution

The fourth proportional to 54,039.89, 81,088.37 and 38,346.32 is: 57,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,039.89 : 81,088.37 = 38,346.32 : x
  2. Step 2: Convert to fraction form
    54,039.89/81,088.37 = 38,346.32/x
  3. Step 3: Cross multiply
    54,039.89x = 81,088.37 × 38,346.32
  4. Step 4: Simplify right side
    54,039.89x = 3,109,440,584.30
  5. Step 5: Solve for x
    x = 3,109,440,584.30/54,039.89
  6. Step 6: Final answer
    x = 57,539.73

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1.5x scale

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.