Home / 55,674.26-76,830.36-30,523.76

Finding the Fourth Proportional to 55,674.26, 76,830.36 and 30,523.76

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Solution

The fourth proportional to 55,674.26, 76,830.36 and 30,523.76 is: 42,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,674.26 : 76,830.36 = 30,523.76 : x
  2. Step 2: Convert to fraction form
    55,674.26/76,830.36 = 30,523.76/x
  3. Step 3: Cross multiply
    55,674.26x = 76,830.36 × 30,523.76
  4. Step 4: Simplify right side
    55,674.26x = 2,345,151,469.35
  5. Step 5: Solve for x
    x = 2,345,151,469.35/55,674.26
  6. Step 6: Final answer
    x = 42,122.72

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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.