Home / 39,981.09-55,149.31-32,042.28

Finding the Fourth Proportional to 39,981.09, 55,149.31 and 32,042.28

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Solution

The fourth proportional to 39,981.09, 55,149.31 and 32,042.28 is: 44,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,981.09 : 55,149.31 = 32,042.28 : x
  2. Step 2: Convert to fraction form
    39,981.09/55,149.31 = 32,042.28/x
  3. Step 3: Cross multiply
    39,981.09x = 55,149.31 × 32,042.28
  4. Step 4: Simplify right side
    39,981.09x = 1,767,109,699.45
  5. Step 5: Solve for x
    x = 1,767,109,699.45/39,981.09
  6. Step 6: Final answer
    x = 44,198.63

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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.