Home / 57,359.16-86,038.73-17,919.38

Finding the Fourth Proportional to 57,359.16, 86,038.73 and 17,919.38

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Solution

The fourth proportional to 57,359.16, 86,038.73 and 17,919.38 is: 26,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,359.16 : 86,038.73 = 17,919.38 : x
  2. Step 2: Convert to fraction form
    57,359.16/86,038.73 = 17,919.38/x
  3. Step 3: Cross multiply
    57,359.16x = 86,038.73 × 17,919.38
  4. Step 4: Simplify right side
    57,359.16x = 1,541,760,697.59
  5. Step 5: Solve for x
    x = 1,541,760,697.59/57,359.16
  6. Step 6: Final answer
    x = 26,879.07

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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.