Home / 52,865.38-72,954.78-30,207.34

Finding the Fourth Proportional to 52,865.38, 72,954.78 and 30,207.34

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Solution

The fourth proportional to 52,865.38, 72,954.78 and 30,207.34 is: 41,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,865.38 : 72,954.78 = 30,207.34 : x
  2. Step 2: Convert to fraction form
    52,865.38/72,954.78 = 30,207.34/x
  3. Step 3: Cross multiply
    52,865.38x = 72,954.78 × 30,207.34
  4. Step 4: Simplify right side
    52,865.38x = 2,203,769,844.09
  5. Step 5: Solve for x
    x = 2,203,769,844.09/52,865.38
  6. Step 6: Final answer
    x = 41,686.45

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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.