Home / 55,037.49-82,555.35-21,757.86

Finding the Fourth Proportional to 55,037.49, 82,555.35 and 21,757.86

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Solution

The fourth proportional to 55,037.49, 82,555.35 and 21,757.86 is: 32,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,037.49 : 82,555.35 = 21,757.86 : x
  2. Step 2: Convert to fraction form
    55,037.49/82,555.35 = 21,757.86/x
  3. Step 3: Cross multiply
    55,037.49x = 82,555.35 × 21,757.86
  4. Step 4: Simplify right side
    55,037.49x = 1,796,227,747.55
  5. Step 5: Solve for x
    x = 1,796,227,747.55/55,037.49
  6. Step 6: Final answer
    x = 32,636.44

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1.5x scale

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.