Home / 55,984.32-77,257.44-30,836.16

Finding the Fourth Proportional to 55,984.32, 77,257.44 and 30,836.16

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Solution

The fourth proportional to 55,984.32, 77,257.44 and 30,836.16 is: 42,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,984.32 : 77,257.44 = 30,836.16 : x
  2. Step 2: Convert to fraction form
    55,984.32/77,257.44 = 30,836.16/x
  3. Step 3: Cross multiply
    55,984.32x = 77,257.44 × 30,836.16
  4. Step 4: Simplify right side
    55,984.32x = 2,382,322,781.03
  5. Step 5: Solve for x
    x = 2,382,322,781.03/55,984.32
  6. Step 6: Final answer
    x = 42,553.39

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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.