Home / 37,724.55-56,531.44-18,978.82

Finding the Fourth Proportional to 37,724.55, 56,531.44 and 18,978.82

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Solution

The fourth proportional to 37,724.55, 56,531.44 and 18,978.82 is: 28,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,724.55 : 56,531.44 = 18,978.82 : x
  2. Step 2: Convert to fraction form
    37,724.55/56,531.44 = 18,978.82/x
  3. Step 3: Cross multiply
    37,724.55x = 56,531.44 × 18,978.82
  4. Step 4: Simplify right side
    37,724.55x = 1,072,900,024.10
  5. Step 5: Solve for x
    x = 1,072,900,024.10/37,724.55
  6. Step 6: Final answer
    x = 28,440.37

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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.