Home / 54,390.33-75,058.58-30,519.23

Finding the Fourth Proportional to 54,390.33, 75,058.58 and 30,519.23

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Solution

The fourth proportional to 54,390.33, 75,058.58 and 30,519.23 is: 42,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,390.33 : 75,058.58 = 30,519.23 : x
  2. Step 2: Convert to fraction form
    54,390.33/75,058.58 = 30,519.23/x
  3. Step 3: Cross multiply
    54,390.33x = 75,058.58 × 30,519.23
  4. Step 4: Simplify right side
    54,390.33x = 2,290,729,767.50
  5. Step 5: Solve for x
    x = 2,290,729,767.50/54,390.33
  6. Step 6: Final answer
    x = 42,116.49

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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.