Home / 68,348.80-94,324.08-38,136.76

Finding the Fourth Proportional to 68,348.80, 94,324.08 and 38,136.76

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Solution

The fourth proportional to 68,348.80, 94,324.08 and 38,136.76 is: 52,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,348.80 : 94,324.08 = 38,136.76 : x
  2. Step 2: Convert to fraction form
    68,348.80/94,324.08 = 38,136.76/x
  3. Step 3: Cross multiply
    68,348.80x = 94,324.08 × 38,136.76
  4. Step 4: Simplify right side
    68,348.80x = 3,597,214,801.18
  5. Step 5: Solve for x
    x = 3,597,214,801.18/68,348.80
  6. Step 6: Final answer
    x = 52,630.26

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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.