Home / 54,927.86-82,390.61-17,490.51

Finding the Fourth Proportional to 54,927.86, 82,390.61 and 17,490.51

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Solution

The fourth proportional to 54,927.86, 82,390.61 and 17,490.51 is: 26,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,927.86 : 82,390.61 = 17,490.51 : x
  2. Step 2: Convert to fraction form
    54,927.86/82,390.61 = 17,490.51/x
  3. Step 3: Cross multiply
    54,927.86x = 82,390.61 × 17,490.51
  4. Step 4: Simplify right side
    54,927.86x = 1,441,053,700.66
  5. Step 5: Solve for x
    x = 1,441,053,700.66/54,927.86
  6. Step 6: Final answer
    x = 26,235.39

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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.