Home / 54,830.81-75,665.85-30,958.49

Finding the Fourth Proportional to 54,830.81, 75,665.85 and 30,958.49

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Solution

The fourth proportional to 54,830.81, 75,665.85 and 30,958.49 is: 42,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,830.81 : 75,665.85 = 30,958.49 : x
  2. Step 2: Convert to fraction form
    54,830.81/75,665.85 = 30,958.49/x
  3. Step 3: Cross multiply
    54,830.81x = 75,665.85 × 30,958.49
  4. Step 4: Simplify right side
    54,830.81x = 2,342,500,082.24
  5. Step 5: Solve for x
    x = 2,342,500,082.24/54,830.81
  6. Step 6: Final answer
    x = 42,722.34

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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.