Home / 57,366.05-86,036.07-21,814.69

Finding the Fourth Proportional to 57,366.05, 86,036.07 and 21,814.69

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Solution

The fourth proportional to 57,366.05, 86,036.07 and 21,814.69 is: 32,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,366.05 : 86,036.07 = 21,814.69 : x
  2. Step 2: Convert to fraction form
    57,366.05/86,036.07 = 21,814.69/x
  3. Step 3: Cross multiply
    57,366.05x = 86,036.07 × 21,814.69
  4. Step 4: Simplify right side
    57,366.05x = 1,876,849,980.78
  5. Step 5: Solve for x
    x = 1,876,849,980.78/57,366.05
  6. Step 6: Final answer
    x = 32,717.09

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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.