Home / 69,427.13-95,808.69-39,211.90

Finding the Fourth Proportional to 69,427.13, 95,808.69 and 39,211.90

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Solution

The fourth proportional to 69,427.13, 95,808.69 and 39,211.90 is: 54,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,427.13 : 95,808.69 = 39,211.90 : x
  2. Step 2: Convert to fraction form
    69,427.13/95,808.69 = 39,211.90/x
  3. Step 3: Cross multiply
    69,427.13x = 95,808.69 × 39,211.90
  4. Step 4: Simplify right side
    69,427.13x = 3,756,840,531.89
  5. Step 5: Solve for x
    x = 3,756,840,531.89/69,427.13
  6. Step 6: Final answer
    x = 54,112.00

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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.