Home / 37,989.66-52,425.38-20,995.04

Finding the Fourth Proportional to 37,989.66, 52,425.38 and 20,995.04

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Solution

The fourth proportional to 37,989.66, 52,425.38 and 20,995.04 is: 28,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,989.66 : 52,425.38 = 20,995.04 : x
  2. Step 2: Convert to fraction form
    37,989.66/52,425.38 = 20,995.04/x
  3. Step 3: Cross multiply
    37,989.66x = 52,425.38 × 20,995.04
  4. Step 4: Simplify right side
    37,989.66x = 1,100,672,950.12
  5. Step 5: Solve for x
    x = 1,100,672,950.12/37,989.66
  6. Step 6: Final answer
    x = 28,972.96

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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.