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Finding the Fourth Proportional to 59,687.46, 82,295.73 and 39,538.98

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Solution

The fourth proportional to 59,687.46, 82,295.73 and 39,538.98 is: 54,515.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,687.46 : 82,295.73 = 39,538.98 : x
  2. Step 2: Convert to fraction form
    59,687.46/82,295.73 = 39,538.98/x
  3. Step 3: Cross multiply
    59,687.46x = 82,295.73 × 39,538.98
  4. Step 4: Simplify right side
    59,687.46x = 3,253,889,222.56
  5. Step 5: Solve for x
    x = 3,253,889,222.56/59,687.46
  6. Step 6: Final answer
    x = 54,515.46

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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.