Home / 62,934.20-94,378.80-20,806.50

Finding the Fourth Proportional to 62,934.20, 94,378.80 and 20,806.50

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Solution

The fourth proportional to 62,934.20, 94,378.80 and 20,806.50 is: 31,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,934.20 : 94,378.80 = 20,806.50 : x
  2. Step 2: Convert to fraction form
    62,934.20/94,378.80 = 20,806.50/x
  3. Step 3: Cross multiply
    62,934.20x = 94,378.80 × 20,806.50
  4. Step 4: Simplify right side
    62,934.20x = 1,963,692,934.14
  5. Step 5: Solve for x
    x = 1,963,692,934.14/62,934.20
  6. Step 6: Final answer
    x = 31,202.32

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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.