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Finding the Fourth Proportional to 61,020.26, 91,532 and 19,467.26

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Solution

The fourth proportional to 61,020.26, 91,532 and 19,467.26 is: 29,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,020.26 : 91,532 = 19,467.26 : x
  2. Step 2: Convert to fraction form
    61,020.26/91,532 = 19,467.26/x
  3. Step 3: Cross multiply
    61,020.26x = 91,532 × 19,467.26
  4. Step 4: Simplify right side
    61,020.26x = 1,781,877,242.32
  5. Step 5: Solve for x
    x = 1,781,877,242.32/61,020.26
  6. Step 6: Final answer
    x = 29,201.40

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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.