Home / 54,778.80-75,574.48-40,473.08

Finding the Fourth Proportional to 54,778.80, 75,574.48 and 40,473.08

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Solution

The fourth proportional to 54,778.80, 75,574.48 and 40,473.08 is: 55,837.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,778.80 : 75,574.48 = 40,473.08 : x
  2. Step 2: Convert to fraction form
    54,778.80/75,574.48 = 40,473.08/x
  3. Step 3: Cross multiply
    54,778.80x = 75,574.48 × 40,473.08
  4. Step 4: Simplify right side
    54,778.80x = 3,058,731,975.00
  5. Step 5: Solve for x
    x = 3,058,731,975.00/54,778.80
  6. Step 6: Final answer
    x = 55,837.88

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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.