Home / 53,579.97-73,936.74-30,919.90

Finding the Fourth Proportional to 53,579.97, 73,936.74 and 30,919.90

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Solution

The fourth proportional to 53,579.97, 73,936.74 and 30,919.90 is: 42,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,579.97 : 73,936.74 = 30,919.90 : x
  2. Step 2: Convert to fraction form
    53,579.97/73,936.74 = 30,919.90/x
  3. Step 3: Cross multiply
    53,579.97x = 73,936.74 × 30,919.90
  4. Step 4: Simplify right side
    53,579.97x = 2,286,116,607.13
  5. Step 5: Solve for x
    x = 2,286,116,607.13/53,579.97
  6. Step 6: Final answer
    x = 42,667.37

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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.