Home / 55,165.32-76,125.72-30,634.62

Finding the Fourth Proportional to 55,165.32, 76,125.72 and 30,634.62

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Solution

The fourth proportional to 55,165.32, 76,125.72 and 30,634.62 is: 42,274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,165.32 : 76,125.72 = 30,634.62 : x
  2. Step 2: Convert to fraction form
    55,165.32/76,125.72 = 30,634.62/x
  3. Step 3: Cross multiply
    55,165.32x = 76,125.72 × 30,634.62
  4. Step 4: Simplify right side
    55,165.32x = 2,332,082,504.43
  5. Step 5: Solve for x
    x = 2,332,082,504.43/55,165.32
  6. Step 6: Final answer
    x = 42,274.43

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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.