Home / 54,387.51-75,054.24-30,513.66

Finding the Fourth Proportional to 54,387.51, 75,054.24 and 30,513.66

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Solution

The fourth proportional to 54,387.51, 75,054.24 and 30,513.66 is: 42,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,387.51 : 75,054.24 = 30,513.66 : x
  2. Step 2: Convert to fraction form
    54,387.51/75,054.24 = 30,513.66/x
  3. Step 3: Cross multiply
    54,387.51x = 75,054.24 × 30,513.66
  4. Step 4: Simplify right side
    54,387.51x = 2,290,179,560.92
  5. Step 5: Solve for x
    x = 2,290,179,560.92/54,387.51
  6. Step 6: Final answer
    x = 42,108.56

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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.