Home / 34,939.60-52,431-14,163.28

Finding the Fourth Proportional to 34,939.60, 52,431 and 14,163.28

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Solution

The fourth proportional to 34,939.60, 52,431 and 14,163.28 is: 21,253.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,939.60 : 52,431 = 14,163.28 : x
  2. Step 2: Convert to fraction form
    34,939.60/52,431 = 14,163.28/x
  3. Step 3: Cross multiply
    34,939.60x = 52,431 × 14,163.28
  4. Step 4: Simplify right side
    34,939.60x = 742,594,933.68
  5. Step 5: Solve for x
    x = 742,594,933.68/34,939.60
  6. Step 6: Final answer
    x = 21,253.68

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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.