Home / 56,284.75-84,409.50-18,836.07

Finding the Fourth Proportional to 56,284.75, 84,409.50 and 18,836.07

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Solution

The fourth proportional to 56,284.75, 84,409.50 and 18,836.07 is: 28,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,284.75 : 84,409.50 = 18,836.07 : x
  2. Step 2: Convert to fraction form
    56,284.75/84,409.50 = 18,836.07/x
  3. Step 3: Cross multiply
    56,284.75x = 84,409.50 × 18,836.07
  4. Step 4: Simplify right side
    56,284.75x = 1,589,943,250.67
  5. Step 5: Solve for x
    x = 1,589,943,250.67/56,284.75
  6. Step 6: Final answer
    x = 28,248.21

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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.