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Finding the Fourth Proportional to 65,028.80, 97,429.80 and 29,896.40

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Solution

The fourth proportional to 65,028.80, 97,429.80 and 29,896.40 is: 44,792.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,028.80 : 97,429.80 = 29,896.40 : x
  2. Step 2: Convert to fraction form
    65,028.80/97,429.80 = 29,896.40/x
  3. Step 3: Cross multiply
    65,028.80x = 97,429.80 × 29,896.40
  4. Step 4: Simplify right side
    65,028.80x = 2,912,800,272.72
  5. Step 5: Solve for x
    x = 2,912,800,272.72/65,028.80
  6. Step 6: Final answer
    x = 44,792.47

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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.