Home / 55,924.80-77,176.24-30,774.30

Finding the Fourth Proportional to 55,924.80, 77,176.24 and 30,774.30

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Solution

The fourth proportional to 55,924.80, 77,176.24 and 30,774.30 is: 42,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,924.80 : 77,176.24 = 30,774.30 : x
  2. Step 2: Convert to fraction form
    55,924.80/77,176.24 = 30,774.30/x
  3. Step 3: Cross multiply
    55,924.80x = 77,176.24 × 30,774.30
  4. Step 4: Simplify right side
    55,924.80x = 2,375,045,220.57
  5. Step 5: Solve for x
    x = 2,375,045,220.57/55,924.80
  6. Step 6: Final answer
    x = 42,468.55

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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.