Home / 55,162.63-82,731.65-21,873.76

Finding the Fourth Proportional to 55,162.63, 82,731.65 and 21,873.76

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Solution

The fourth proportional to 55,162.63, 82,731.65 and 21,873.76 is: 32,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,162.63 : 82,731.65 = 21,873.76 : x
  2. Step 2: Convert to fraction form
    55,162.63/82,731.65 = 21,873.76/x
  3. Step 3: Cross multiply
    55,162.63x = 82,731.65 × 21,873.76
  4. Step 4: Simplify right side
    55,162.63x = 1,809,652,102.79
  5. Step 5: Solve for x
    x = 1,809,652,102.79/55,162.63
  6. Step 6: Final answer
    x = 32,805.76

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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.