Home / 32,815.56-49,222.80-21,203.40

Finding the Fourth Proportional to 32,815.56, 49,222.80 and 21,203.40

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Solution

The fourth proportional to 32,815.56, 49,222.80 and 21,203.40 is: 31,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,815.56 : 49,222.80 = 21,203.40 : x
  2. Step 2: Convert to fraction form
    32,815.56/49,222.80 = 21,203.40/x
  3. Step 3: Cross multiply
    32,815.56x = 49,222.80 × 21,203.40
  4. Step 4: Simplify right side
    32,815.56x = 1,043,690,717.52
  5. Step 5: Solve for x
    x = 1,043,690,717.52/32,815.56
  6. Step 6: Final answer
    x = 31,804.75

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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.