Home / 42,385.54-63,576.32-15,736.83

Finding the Fourth Proportional to 42,385.54, 63,576.32 and 15,736.83

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Solution

The fourth proportional to 42,385.54, 63,576.32 and 15,736.83 is: 23,604.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,385.54 : 63,576.32 = 15,736.83 : x
  2. Step 2: Convert to fraction form
    42,385.54/63,576.32 = 15,736.83/x
  3. Step 3: Cross multiply
    42,385.54x = 63,576.32 × 15,736.83
  4. Step 4: Simplify right side
    42,385.54x = 1,000,489,824.65
  5. Step 5: Solve for x
    x = 1,000,489,824.65/42,385.54
  6. Step 6: Final answer
    x = 23,604.51

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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.