Home / 54,282.04-74,910.69-30,408.20

Finding the Fourth Proportional to 54,282.04, 74,910.69 and 30,408.20

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Solution

The fourth proportional to 54,282.04, 74,910.69 and 30,408.20 is: 41,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282.04 : 74,910.69 = 30,408.20 : x
  2. Step 2: Convert to fraction form
    54,282.04/74,910.69 = 30,408.20/x
  3. Step 3: Cross multiply
    54,282.04x = 74,910.69 × 30,408.20
  4. Step 4: Simplify right side
    54,282.04x = 2,277,899,243.66
  5. Step 5: Solve for x
    x = 2,277,899,243.66/54,282.04
  6. Step 6: Final answer
    x = 41,964.14

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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.