Home / 54,765.79-75,579.09-30,892.46

Finding the Fourth Proportional to 54,765.79, 75,579.09 and 30,892.46

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Solution

The fourth proportional to 54,765.79, 75,579.09 and 30,892.46 is: 42,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,765.79 : 75,579.09 = 30,892.46 : x
  2. Step 2: Convert to fraction form
    54,765.79/75,579.09 = 30,892.46/x
  3. Step 3: Cross multiply
    54,765.79x = 75,579.09 × 30,892.46
  4. Step 4: Simplify right side
    54,765.79x = 2,334,824,119.82
  5. Step 5: Solve for x
    x = 2,334,824,119.82/54,765.79
  6. Step 6: Final answer
    x = 42,632.89

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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.