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Finding the Fourth Proportional to 65,276.38, 97,912.95 and 20,902.96

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Solution

The fourth proportional to 65,276.38, 97,912.95 and 20,902.96 is: 31,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,276.38 : 97,912.95 = 20,902.96 : x
  2. Step 2: Convert to fraction form
    65,276.38/97,912.95 = 20,902.96/x
  3. Step 3: Cross multiply
    65,276.38x = 97,912.95 × 20,902.96
  4. Step 4: Simplify right side
    65,276.38x = 2,046,670,477.33
  5. Step 5: Solve for x
    x = 2,046,670,477.33/65,276.38
  6. Step 6: Final answer
    x = 31,353.92

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1.5x scale

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.