Home / 18,038.77-27,057.31-4,711.77

Finding the Fourth Proportional to 18,038.77, 27,057.31 and 4,711.77

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Solution

The fourth proportional to 18,038.77, 27,057.31 and 4,711.77 is: 7,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.77 : 27,057.31 = 4,711.77 : x
  2. Step 2: Convert to fraction form
    18,038.77/27,057.31 = 4,711.77/x
  3. Step 3: Cross multiply
    18,038.77x = 27,057.31 × 4,711.77
  4. Step 4: Simplify right side
    18,038.77x = 127,487,809.76
  5. Step 5: Solve for x
    x = 127,487,809.76/18,038.77
  6. Step 6: Final answer
    x = 7,067.43

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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.