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Finding the Fourth Proportional to 60,245.64, 83,137.88 and 33,021.50

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Solution

The fourth proportional to 60,245.64, 83,137.88 and 33,021.50 is: 45,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,245.64 : 83,137.88 = 33,021.50 : x
  2. Step 2: Convert to fraction form
    60,245.64/83,137.88 = 33,021.50/x
  3. Step 3: Cross multiply
    60,245.64x = 83,137.88 × 33,021.50
  4. Step 4: Simplify right side
    60,245.64x = 2,745,337,171.28
  5. Step 5: Solve for x
    x = 2,745,337,171.28/60,245.64
  6. Step 6: Final answer
    x = 45,569.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.