Home / 68,478.28-94,504.50-38,263.80

Finding the Fourth Proportional to 68,478.28, 94,504.50 and 38,263.80

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Solution

The fourth proportional to 68,478.28, 94,504.50 and 38,263.80 is: 52,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,478.28 : 94,504.50 = 38,263.80 : x
  2. Step 2: Convert to fraction form
    68,478.28/94,504.50 = 38,263.80/x
  3. Step 3: Cross multiply
    68,478.28x = 94,504.50 × 38,263.80
  4. Step 4: Simplify right side
    68,478.28x = 3,616,101,287.10
  5. Step 5: Solve for x
    x = 3,616,101,287.10/68,478.28
  6. Step 6: Final answer
    x = 52,806.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.