Home / 65,921.43-98,852.58-39,279.98

Finding the Fourth Proportional to 65,921.43, 98,852.58 and 39,279.98

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Solution

The fourth proportional to 65,921.43, 98,852.58 and 39,279.98 is: 58,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,921.43 : 98,852.58 = 39,279.98 : x
  2. Step 2: Convert to fraction form
    65,921.43/98,852.58 = 39,279.98/x
  3. Step 3: Cross multiply
    65,921.43x = 98,852.58 × 39,279.98
  4. Step 4: Simplify right side
    65,921.43x = 3,882,927,056.43
  5. Step 5: Solve for x
    x = 3,882,927,056.43/65,921.43
  6. Step 6: Final answer
    x = 58,902.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.