Home / 63,905.99-88,196.82-38,420.65

Finding the Fourth Proportional to 63,905.99, 88,196.82 and 38,420.65

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Solution

The fourth proportional to 63,905.99, 88,196.82 and 38,420.65 is: 53,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,905.99 : 88,196.82 = 38,420.65 : x
  2. Step 2: Convert to fraction form
    63,905.99/88,196.82 = 38,420.65/x
  3. Step 3: Cross multiply
    63,905.99x = 88,196.82 × 38,420.65
  4. Step 4: Simplify right side
    63,905.99x = 3,388,579,152.33
  5. Step 5: Solve for x
    x = 3,388,579,152.33/63,905.99
  6. Step 6: Final answer
    x = 53,024.44

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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.