Home / 55,736.56-76,913.40-30,584.08

Finding the Fourth Proportional to 55,736.56, 76,913.40 and 30,584.08

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Solution

The fourth proportional to 55,736.56, 76,913.40 and 30,584.08 is: 42,204.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,736.56 : 76,913.40 = 30,584.08 : x
  2. Step 2: Convert to fraction form
    55,736.56/76,913.40 = 30,584.08/x
  3. Step 3: Cross multiply
    55,736.56x = 76,913.40 × 30,584.08
  4. Step 4: Simplify right side
    55,736.56x = 2,352,325,578.67
  5. Step 5: Solve for x
    x = 2,352,325,578.67/55,736.56
  6. Step 6: Final answer
    x = 42,204.36

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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.