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Finding the Fourth Proportional to 60,074.34, 82,908.64 and 33,218.88

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Solution

The fourth proportional to 60,074.34, 82,908.64 and 33,218.88 is: 45,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,074.34 : 82,908.64 = 33,218.88 : x
  2. Step 2: Convert to fraction form
    60,074.34/82,908.64 = 33,218.88/x
  3. Step 3: Cross multiply
    60,074.34x = 82,908.64 × 33,218.88
  4. Step 4: Simplify right side
    60,074.34x = 2,754,132,163.12
  5. Step 5: Solve for x
    x = 2,754,132,163.12/60,074.34
  6. Step 6: Final answer
    x = 45,845.40

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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.