Home / 54,387.84-75,055.74-30,189.08

Finding the Fourth Proportional to 54,387.84, 75,055.74 and 30,189.08

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Solution

The fourth proportional to 54,387.84, 75,055.74 and 30,189.08 is: 41,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,387.84 : 75,055.74 = 30,189.08 : x
  2. Step 2: Convert to fraction form
    54,387.84/75,055.74 = 30,189.08/x
  3. Step 3: Cross multiply
    54,387.84x = 75,055.74 × 30,189.08
  4. Step 4: Simplify right side
    54,387.84x = 2,265,863,739.32
  5. Step 5: Solve for x
    x = 2,265,863,739.32/54,387.84
  6. Step 6: Final answer
    x = 41,661.22

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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.