Home / 55,033.05-82,502.95-21,776.58

Finding the Fourth Proportional to 55,033.05, 82,502.95 and 21,776.58

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Solution

The fourth proportional to 55,033.05, 82,502.95 and 21,776.58 is: 32,646.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,033.05 : 82,502.95 = 21,776.58 : x
  2. Step 2: Convert to fraction form
    55,033.05/82,502.95 = 21,776.58/x
  3. Step 3: Cross multiply
    55,033.05x = 82,502.95 × 21,776.58
  4. Step 4: Simplify right side
    55,033.05x = 1,796,632,090.91
  5. Step 5: Solve for x
    x = 1,796,632,090.91/55,033.05
  6. Step 6: Final answer
    x = 32,646.42

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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.