Home / 37,869.20-56,803.80-15,679.52

Finding the Fourth Proportional to 37,869.20, 56,803.80 and 15,679.52

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Solution

The fourth proportional to 37,869.20, 56,803.80 and 15,679.52 is: 23,519.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,869.20 : 56,803.80 = 15,679.52 : x
  2. Step 2: Convert to fraction form
    37,869.20/56,803.80 = 15,679.52/x
  3. Step 3: Cross multiply
    37,869.20x = 56,803.80 × 15,679.52
  4. Step 4: Simplify right side
    37,869.20x = 890,656,318.18
  5. Step 5: Solve for x
    x = 890,656,318.18/37,869.20
  6. Step 6: Final answer
    x = 23,519.28

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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.