Home / 40,776.60-61,174.62-18,596.64

Finding the Fourth Proportional to 40,776.60, 61,174.62 and 18,596.64

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Solution

The fourth proportional to 40,776.60, 61,174.62 and 18,596.64 is: 27,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,776.60 : 61,174.62 = 18,596.64 : x
  2. Step 2: Convert to fraction form
    40,776.60/61,174.62 = 18,596.64/x
  3. Step 3: Cross multiply
    40,776.60x = 61,174.62 × 18,596.64
  4. Step 4: Simplify right side
    40,776.60x = 1,137,642,385.28
  5. Step 5: Solve for x
    x = 1,137,642,385.28/40,776.60
  6. Step 6: Final answer
    x = 27,899.39

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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.