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Finding the Fourth Proportional to 40,708.98, 61,157.03 and 28,892.09

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Solution

The fourth proportional to 40,708.98, 61,157.03 and 28,892.09 is: 43,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,708.98 : 61,157.03 = 28,892.09 : x
  2. Step 2: Convert to fraction form
    40,708.98/61,157.03 = 28,892.09/x
  3. Step 3: Cross multiply
    40,708.98x = 61,157.03 × 28,892.09
  4. Step 4: Simplify right side
    40,708.98x = 1,766,954,423.32
  5. Step 5: Solve for x
    x = 1,766,954,423.32/40,708.98
  6. Step 6: Final answer
    x = 43,404.54

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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.