Home / 31,998.47-44,138.82-20,041.04

Finding the Fourth Proportional to 31,998.47, 44,138.82 and 20,041.04

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Solution

The fourth proportional to 31,998.47, 44,138.82 and 20,041.04 is: 27,644.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,998.47 : 44,138.82 = 20,041.04 : x
  2. Step 2: Convert to fraction form
    31,998.47/44,138.82 = 20,041.04/x
  3. Step 3: Cross multiply
    31,998.47x = 44,138.82 × 20,041.04
  4. Step 4: Simplify right side
    31,998.47x = 884,587,857.17
  5. Step 5: Solve for x
    x = 884,587,857.17/31,998.47
  6. Step 6: Final answer
    x = 27,644.69

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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.