Home / 54,054.37-81,081.55-39,356.82

Finding the Fourth Proportional to 54,054.37, 81,081.55 and 39,356.82

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Solution

The fourth proportional to 54,054.37, 81,081.55 and 39,356.82 is: 59,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,054.37 : 81,081.55 = 39,356.82 : x
  2. Step 2: Convert to fraction form
    54,054.37/81,081.55 = 39,356.82/x
  3. Step 3: Cross multiply
    54,054.37x = 81,081.55 × 39,356.82
  4. Step 4: Simplify right side
    54,054.37x = 3,191,111,968.67
  5. Step 5: Solve for x
    x = 3,191,111,968.67/54,054.37
  6. Step 6: Final answer
    x = 59,035.23

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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.