Home / 65,939.34-90,996.30-35,724.87

Finding the Fourth Proportional to 65,939.34, 90,996.30 and 35,724.87

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Solution

The fourth proportional to 65,939.34, 90,996.30 and 35,724.87 is: 49,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,939.34 : 90,996.30 = 35,724.87 : x
  2. Step 2: Convert to fraction form
    65,939.34/90,996.30 = 35,724.87/x
  3. Step 3: Cross multiply
    65,939.34x = 90,996.30 × 35,724.87
  4. Step 4: Simplify right side
    65,939.34x = 3,250,830,987.98
  5. Step 5: Solve for x
    x = 3,250,830,987.98/65,939.34
  6. Step 6: Final answer
    x = 49,300.33

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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.