Home / 51,072.91-76,512.77-28,902.20

Finding the Fourth Proportional to 51,072.91, 76,512.77 and 28,902.20

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Solution

The fourth proportional to 51,072.91, 76,512.77 and 28,902.20 is: 43,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072.91 : 76,512.77 = 28,902.20 : x
  2. Step 2: Convert to fraction form
    51,072.91/76,512.77 = 28,902.20/x
  3. Step 3: Cross multiply
    51,072.91x = 76,512.77 × 28,902.20
  4. Step 4: Simplify right side
    51,072.91x = 2,211,387,381.09
  5. Step 5: Solve for x
    x = 2,211,387,381.09/51,072.91
  6. Step 6: Final answer
    x = 43,298.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.