Home / 51,087.78-70,503.62-29,579.85

Finding the Fourth Proportional to 51,087.78, 70,503.62 and 29,579.85

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Solution

The fourth proportional to 51,087.78, 70,503.62 and 29,579.85 is: 40,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,087.78 : 70,503.62 = 29,579.85 : x
  2. Step 2: Convert to fraction form
    51,087.78/70,503.62 = 29,579.85/x
  3. Step 3: Cross multiply
    51,087.78x = 70,503.62 × 29,579.85
  4. Step 4: Simplify right side
    51,087.78x = 2,085,486,356.16
  5. Step 5: Solve for x
    x = 2,085,486,356.16/51,087.78
  6. Step 6: Final answer
    x = 40,821.63

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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.