Home / 61,131.40-91,699.26-19,573

Finding the Fourth Proportional to 61,131.40, 91,699.26 and 19,573

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Solution

The fourth proportional to 61,131.40, 91,699.26 and 19,573 is: 29,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,131.40 : 91,699.26 = 19,573 : x
  2. Step 2: Convert to fraction form
    61,131.40/91,699.26 = 19,573/x
  3. Step 3: Cross multiply
    61,131.40x = 91,699.26 × 19,573
  4. Step 4: Simplify right side
    61,131.40x = 1,794,829,615.98
  5. Step 5: Solve for x
    x = 1,794,829,615.98/61,131.40
  6. Step 6: Final answer
    x = 29,360.19

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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.