Home / 42,136.08-63,204.11-10,971.33

Finding the Fourth Proportional to 42,136.08, 63,204.11 and 10,971.33

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Solution

The fourth proportional to 42,136.08, 63,204.11 and 10,971.33 is: 16,456.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,136.08 : 63,204.11 = 10,971.33 : x
  2. Step 2: Convert to fraction form
    42,136.08/63,204.11 = 10,971.33/x
  3. Step 3: Cross multiply
    42,136.08x = 63,204.11 × 10,971.33
  4. Step 4: Simplify right side
    42,136.08x = 693,433,148.17
  5. Step 5: Solve for x
    x = 693,433,148.17/42,136.08
  6. Step 6: Final answer
    x = 16,456.99

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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.