Home / 32,876.88-45,369.90-18,729.42

Finding the Fourth Proportional to 32,876.88, 45,369.90 and 18,729.42

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Solution

The fourth proportional to 32,876.88, 45,369.90 and 18,729.42 is: 25,846.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,876.88 : 45,369.90 = 18,729.42 : x
  2. Step 2: Convert to fraction form
    32,876.88/45,369.90 = 18,729.42/x
  3. Step 3: Cross multiply
    32,876.88x = 45,369.90 × 18,729.42
  4. Step 4: Simplify right side
    32,876.88x = 849,751,912.46
  5. Step 5: Solve for x
    x = 849,751,912.46/32,876.88
  6. Step 6: Final answer
    x = 25,846.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.