Home / 55,601.76-76,730.69-30,451.26

Finding the Fourth Proportional to 55,601.76, 76,730.69 and 30,451.26

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Solution

The fourth proportional to 55,601.76, 76,730.69 and 30,451.26 is: 42,022.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,601.76 : 76,730.69 = 30,451.26 : x
  2. Step 2: Convert to fraction form
    55,601.76/76,730.69 = 30,451.26/x
  3. Step 3: Cross multiply
    55,601.76x = 76,730.69 × 30,451.26
  4. Step 4: Simplify right side
    55,601.76x = 2,336,546,191.17
  5. Step 5: Solve for x
    x = 2,336,546,191.17/55,601.76
  6. Step 6: Final answer
    x = 42,022.88

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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.