Home / 34,039.12-51,093.24-21,528.40

Finding the Fourth Proportional to 34,039.12, 51,093.24 and 21,528.40

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Solution

The fourth proportional to 34,039.12, 51,093.24 and 21,528.40 is: 32,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,039.12 : 51,093.24 = 21,528.40 : x
  2. Step 2: Convert to fraction form
    34,039.12/51,093.24 = 21,528.40/x
  3. Step 3: Cross multiply
    34,039.12x = 51,093.24 × 21,528.40
  4. Step 4: Simplify right side
    34,039.12x = 1,099,955,708.02
  5. Step 5: Solve for x
    x = 1,099,955,708.02/34,039.12
  6. Step 6: Final answer
    x = 32,314.46

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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.