Home / 39,865.02-54,992.61-23,720.86

Finding the Fourth Proportional to 39,865.02, 54,992.61 and 23,720.86

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Solution

The fourth proportional to 39,865.02, 54,992.61 and 23,720.86 is: 32,722.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865.02 : 54,992.61 = 23,720.86 : x
  2. Step 2: Convert to fraction form
    39,865.02/54,992.61 = 23,720.86/x
  3. Step 3: Cross multiply
    39,865.02x = 54,992.61 × 23,720.86
  4. Step 4: Simplify right side
    39,865.02x = 1,304,472,002.84
  5. Step 5: Solve for x
    x = 1,304,472,002.84/39,865.02
  6. Step 6: Final answer
    x = 32,722.22

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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.