Home / 53,290.62-79,935.84-15,850.44

Finding the Fourth Proportional to 53,290.62, 79,935.84 and 15,850.44

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Solution

The fourth proportional to 53,290.62, 79,935.84 and 15,850.44 is: 23,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290.62 : 79,935.84 = 15,850.44 : x
  2. Step 2: Convert to fraction form
    53,290.62/79,935.84 = 15,850.44/x
  3. Step 3: Cross multiply
    53,290.62x = 79,935.84 × 15,850.44
  4. Step 4: Simplify right side
    53,290.62x = 1,267,018,235.77
  5. Step 5: Solve for x
    x = 1,267,018,235.77/53,290.62
  6. Step 6: Final answer
    x = 23,775.63

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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.