Home / 54,388.56-75,055.36-30,189.51

Finding the Fourth Proportional to 54,388.56, 75,055.36 and 30,189.51

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Solution

The fourth proportional to 54,388.56, 75,055.36 and 30,189.51 is: 41,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,388.56 : 75,055.36 = 30,189.51 : x
  2. Step 2: Convert to fraction form
    54,388.56/75,055.36 = 30,189.51/x
  3. Step 3: Cross multiply
    54,388.56x = 75,055.36 × 30,189.51
  4. Step 4: Simplify right side
    54,388.56x = 2,265,884,522.41
  5. Step 5: Solve for x
    x = 2,265,884,522.41/54,388.56
  6. Step 6: Final answer
    x = 41,661.05

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1.5x scale

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.