Home / 49,587.66-74,381.49-12,651.66

Finding the Fourth Proportional to 49,587.66, 74,381.49 and 12,651.66

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Solution

The fourth proportional to 49,587.66, 74,381.49 and 12,651.66 is: 18,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,587.66 : 74,381.49 = 12,651.66 : x
  2. Step 2: Convert to fraction form
    49,587.66/74,381.49 = 12,651.66/x
  3. Step 3: Cross multiply
    49,587.66x = 74,381.49 × 12,651.66
  4. Step 4: Simplify right side
    49,587.66x = 941,049,321.77
  5. Step 5: Solve for x
    x = 941,049,321.77/49,587.66
  6. Step 6: Final answer
    x = 18,977.49

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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.