Home / 61,272.98-91,909.55-19,153.29

Finding the Fourth Proportional to 61,272.98, 91,909.55 and 19,153.29

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Solution

The fourth proportional to 61,272.98, 91,909.55 and 19,153.29 is: 28,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,272.98 : 91,909.55 = 19,153.29 : x
  2. Step 2: Convert to fraction form
    61,272.98/91,909.55 = 19,153.29/x
  3. Step 3: Cross multiply
    61,272.98x = 91,909.55 × 19,153.29
  4. Step 4: Simplify right side
    61,272.98x = 1,760,370,264.92
  5. Step 5: Solve for x
    x = 1,760,370,264.92/61,272.98
  6. Step 6: Final answer
    x = 28,729.96

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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.