Home / 41,217.08-61,830.48-13,127.36

Finding the Fourth Proportional to 41,217.08, 61,830.48 and 13,127.36

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Solution

The fourth proportional to 41,217.08, 61,830.48 and 13,127.36 is: 19,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,217.08 : 61,830.48 = 13,127.36 : x
  2. Step 2: Convert to fraction form
    41,217.08/61,830.48 = 13,127.36/x
  3. Step 3: Cross multiply
    41,217.08x = 61,830.48 × 13,127.36
  4. Step 4: Simplify right side
    41,217.08x = 811,670,969.93
  5. Step 5: Solve for x
    x = 811,670,969.93/41,217.08
  6. Step 6: Final answer
    x = 19,692.59

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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.