Home / 37,708.40-56,546.04-18,981.20

Finding the Fourth Proportional to 37,708.40, 56,546.04 and 18,981.20

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Solution

The fourth proportional to 37,708.40, 56,546.04 and 18,981.20 is: 28,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,708.40 : 56,546.04 = 18,981.20 : x
  2. Step 2: Convert to fraction form
    37,708.40/56,546.04 = 18,981.20/x
  3. Step 3: Cross multiply
    37,708.40x = 56,546.04 × 18,981.20
  4. Step 4: Simplify right side
    37,708.40x = 1,073,311,694.45
  5. Step 5: Solve for x
    x = 1,073,311,694.45/37,708.40
  6. Step 6: Final answer
    x = 28,463.46

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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.