Home / 45,137.62-67,338.95-43,977.70

Finding the Fourth Proportional to 45,137.62, 67,338.95 and 43,977.70

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Solution

The fourth proportional to 45,137.62, 67,338.95 and 43,977.70 is: 65,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,137.62 : 67,338.95 = 43,977.70 : x
  2. Step 2: Convert to fraction form
    45,137.62/67,338.95 = 43,977.70/x
  3. Step 3: Cross multiply
    45,137.62x = 67,338.95 × 43,977.70
  4. Step 4: Simplify right side
    45,137.62x = 2,961,412,141.42
  5. Step 5: Solve for x
    x = 2,961,412,141.42/45,137.62
  6. Step 6: Final answer
    x = 65,608.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.