Home / 55,480.32-76,562.88-30,329.82

Finding the Fourth Proportional to 55,480.32, 76,562.88 and 30,329.82

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Solution

The fourth proportional to 55,480.32, 76,562.88 and 30,329.82 is: 41,855.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,480.32 : 76,562.88 = 30,329.82 : x
  2. Step 2: Convert to fraction form
    55,480.32/76,562.88 = 30,329.82/x
  3. Step 3: Cross multiply
    55,480.32x = 76,562.88 × 30,329.82
  4. Step 4: Simplify right side
    55,480.32x = 2,322,138,369.08
  5. Step 5: Solve for x
    x = 2,322,138,369.08/55,480.32
  6. Step 6: Final answer
    x = 41,855.17

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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.