Home / 39,201.76-58,802.68-21,708.52

Finding the Fourth Proportional to 39,201.76, 58,802.68 and 21,708.52

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Solution

The fourth proportional to 39,201.76, 58,802.68 and 21,708.52 is: 32,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,201.76 : 58,802.68 = 21,708.52 : x
  2. Step 2: Convert to fraction form
    39,201.76/58,802.68 = 21,708.52/x
  3. Step 3: Cross multiply
    39,201.76x = 58,802.68 × 21,708.52
  4. Step 4: Simplify right side
    39,201.76x = 1,276,519,154.83
  5. Step 5: Solve for x
    x = 1,276,519,154.83/39,201.76
  6. Step 6: Final answer
    x = 32,562.80

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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.