Home / 68,379.04-94,367.82-38,170.30

Finding the Fourth Proportional to 68,379.04, 94,367.82 and 38,170.30

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Solution

The fourth proportional to 68,379.04, 94,367.82 and 38,170.30 is: 52,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,379.04 : 94,367.82 = 38,170.30 : x
  2. Step 2: Convert to fraction form
    68,379.04/94,367.82 = 38,170.30/x
  3. Step 3: Cross multiply
    68,379.04x = 94,367.82 × 38,170.30
  4. Step 4: Simplify right side
    68,379.04x = 3,602,047,999.75
  5. Step 5: Solve for x
    x = 3,602,047,999.75/68,379.04
  6. Step 6: Final answer
    x = 52,677.66

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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.