Home / 31,984.05-44,096.97-21,895.10

Finding the Fourth Proportional to 31,984.05, 44,096.97 and 21,895.10

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Solution

The fourth proportional to 31,984.05, 44,096.97 and 21,895.10 is: 30,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.05 : 44,096.97 = 21,895.10 : x
  2. Step 2: Convert to fraction form
    31,984.05/44,096.97 = 21,895.10/x
  3. Step 3: Cross multiply
    31,984.05x = 44,096.97 × 21,895.10
  4. Step 4: Simplify right side
    31,984.05x = 965,507,567.85
  5. Step 5: Solve for x
    x = 965,507,567.85/31,984.05
  6. Step 6: Final answer
    x = 30,187.16

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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.