Home / 51,724.92-77,594.64-18,435.12

Finding the Fourth Proportional to 51,724.92, 77,594.64 and 18,435.12

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Solution

The fourth proportional to 51,724.92, 77,594.64 and 18,435.12 is: 27,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,724.92 : 77,594.64 = 18,435.12 : x
  2. Step 2: Convert to fraction form
    51,724.92/77,594.64 = 18,435.12/x
  3. Step 3: Cross multiply
    51,724.92x = 77,594.64 × 18,435.12
  4. Step 4: Simplify right side
    51,724.92x = 1,430,466,499.76
  5. Step 5: Solve for x
    x = 1,430,466,499.76/51,724.92
  6. Step 6: Final answer
    x = 27,655.27

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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.