Home / 63,101.05-94,631.10-20,969.81

Finding the Fourth Proportional to 63,101.05, 94,631.10 and 20,969.81

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Solution

The fourth proportional to 63,101.05, 94,631.10 and 20,969.81 is: 31,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,101.05 : 94,631.10 = 20,969.81 : x
  2. Step 2: Convert to fraction form
    63,101.05/94,631.10 = 20,969.81/x
  3. Step 3: Cross multiply
    63,101.05x = 94,631.10 × 20,969.81
  4. Step 4: Simplify right side
    63,101.05x = 1,984,396,265.73
  5. Step 5: Solve for x
    x = 1,984,396,265.73/63,101.05
  6. Step 6: Final answer
    x = 31,447.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.