Home / 65,830.54-98,756.05-21,446.96

Finding the Fourth Proportional to 65,830.54, 98,756.05 and 21,446.96

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Solution

The fourth proportional to 65,830.54, 98,756.05 and 21,446.96 is: 32,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,830.54 : 98,756.05 = 21,446.96 : x
  2. Step 2: Convert to fraction form
    65,830.54/98,756.05 = 21,446.96/x
  3. Step 3: Cross multiply
    65,830.54x = 98,756.05 × 21,446.96
  4. Step 4: Simplify right side
    65,830.54x = 2,118,017,247.38
  5. Step 5: Solve for x
    x = 2,118,017,247.38/65,830.54
  6. Step 6: Final answer
    x = 32,173.78

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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.