Home / 62,928.32-94,370-20,800.62

Finding the Fourth Proportional to 62,928.32, 94,370 and 20,800.62

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Solution

The fourth proportional to 62,928.32, 94,370 and 20,800.62 is: 31,193.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,928.32 : 94,370 = 20,800.62 : x
  2. Step 2: Convert to fraction form
    62,928.32/94,370 = 20,800.62/x
  3. Step 3: Cross multiply
    62,928.32x = 94,370 × 20,800.62
  4. Step 4: Simplify right side
    62,928.32x = 1,962,954,509.40
  5. Step 5: Solve for x
    x = 1,962,954,509.40/62,928.32
  6. Step 6: Final answer
    x = 31,193.50

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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.