Home / 63,396.05-87,485.81-34,715.43

Finding the Fourth Proportional to 63,396.05, 87,485.81 and 34,715.43

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Solution

The fourth proportional to 63,396.05, 87,485.81 and 34,715.43 is: 47,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,396.05 : 87,485.81 = 34,715.43 : x
  2. Step 2: Convert to fraction form
    63,396.05/87,485.81 = 34,715.43/x
  3. Step 3: Cross multiply
    63,396.05x = 87,485.81 × 34,715.43
  4. Step 4: Simplify right side
    63,396.05x = 3,037,107,339.47
  5. Step 5: Solve for x
    x = 3,037,107,339.47/63,396.05
  6. Step 6: Final answer
    x = 47,906.89

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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.