Home / 39,140.73-58,659.17-21,325.68

Finding the Fourth Proportional to 39,140.73, 58,659.17 and 21,325.68

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Solution

The fourth proportional to 39,140.73, 58,659.17 and 21,325.68 is: 31,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.73 : 58,659.17 = 21,325.68 : x
  2. Step 2: Convert to fraction form
    39,140.73/58,659.17 = 21,325.68/x
  3. Step 3: Cross multiply
    39,140.73x = 58,659.17 × 21,325.68
  4. Step 4: Simplify right side
    39,140.73x = 1,250,946,581.86
  5. Step 5: Solve for x
    x = 1,250,946,581.86/39,140.73
  6. Step 6: Final answer
    x = 31,960.23

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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.