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Finding the Fourth Proportional to 59,438.56, 82,017.36 and 35,560.48

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Solution

The fourth proportional to 59,438.56, 82,017.36 and 35,560.48 is: 49,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,438.56 : 82,017.36 = 35,560.48 : x
  2. Step 2: Convert to fraction form
    59,438.56/82,017.36 = 35,560.48/x
  3. Step 3: Cross multiply
    59,438.56x = 82,017.36 × 35,560.48
  4. Step 4: Simplify right side
    59,438.56x = 2,916,576,689.93
  5. Step 5: Solve for x
    x = 2,916,576,689.93/59,438.56
  6. Step 6: Final answer
    x = 49,068.76

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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.