Home / 39,911.02-55,079.66-22,005.97

Finding the Fourth Proportional to 39,911.02, 55,079.66 and 22,005.97

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Solution

The fourth proportional to 39,911.02, 55,079.66 and 22,005.97 is: 30,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.02 : 55,079.66 = 22,005.97 : x
  2. Step 2: Convert to fraction form
    39,911.02/55,079.66 = 22,005.97/x
  3. Step 3: Cross multiply
    39,911.02x = 55,079.66 × 22,005.97
  4. Step 4: Simplify right side
    39,911.02x = 1,212,081,262.89
  5. Step 5: Solve for x
    x = 1,212,081,262.89/39,911.02
  6. Step 6: Final answer
    x = 30,369.59

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1.5x scale

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.