Home / 62,428.91-86,127.62-39,763.85

Finding the Fourth Proportional to 62,428.91, 86,127.62 and 39,763.85

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Solution

The fourth proportional to 62,428.91, 86,127.62 and 39,763.85 is: 54,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,428.91 : 86,127.62 = 39,763.85 : x
  2. Step 2: Convert to fraction form
    62,428.91/86,127.62 = 39,763.85/x
  3. Step 3: Cross multiply
    62,428.91x = 86,127.62 × 39,763.85
  4. Step 4: Simplify right side
    62,428.91x = 3,424,765,133.08
  5. Step 5: Solve for x
    x = 3,424,765,133.08/62,428.91
  6. Step 6: Final answer
    x = 54,858.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.