Home / 55,924.89-77,176.32-30,774.39

Finding the Fourth Proportional to 55,924.89, 77,176.32 and 30,774.39

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Solution

The fourth proportional to 55,924.89, 77,176.32 and 30,774.39 is: 42,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,924.89 : 77,176.32 = 30,774.39 : x
  2. Step 2: Convert to fraction form
    55,924.89/77,176.32 = 30,774.39/x
  3. Step 3: Cross multiply
    55,924.89x = 77,176.32 × 30,774.39
  4. Step 4: Simplify right side
    55,924.89x = 2,375,054,170.44
  5. Step 5: Solve for x
    x = 2,375,054,170.44/55,924.89
  6. Step 6: Final answer
    x = 42,468.64

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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.