Home / 34,286.02-51,429.16-12,087.28

Finding the Fourth Proportional to 34,286.02, 51,429.16 and 12,087.28

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Solution

The fourth proportional to 34,286.02, 51,429.16 and 12,087.28 is: 18,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,286.02 : 51,429.16 = 12,087.28 : x
  2. Step 2: Convert to fraction form
    34,286.02/51,429.16 = 12,087.28/x
  3. Step 3: Cross multiply
    34,286.02x = 51,429.16 × 12,087.28
  4. Step 4: Simplify right side
    34,286.02x = 621,638,657.08
  5. Step 5: Solve for x
    x = 621,638,657.08/34,286.02
  6. Step 6: Final answer
    x = 18,130.97

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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.