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Finding the Fourth Proportional to 65,273.79, 97,911.55 and 20,900.54

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Solution

The fourth proportional to 65,273.79, 97,911.55 and 20,900.54 is: 31,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,273.79 : 97,911.55 = 20,900.54 : x
  2. Step 2: Convert to fraction form
    65,273.79/97,911.55 = 20,900.54/x
  3. Step 3: Cross multiply
    65,273.79x = 97,911.55 × 20,900.54
  4. Step 4: Simplify right side
    65,273.79x = 2,046,404,267.24
  5. Step 5: Solve for x
    x = 2,046,404,267.24/65,273.79
  6. Step 6: Final answer
    x = 31,351.09

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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.