Home / 71,860.03-107,781.54-19,273.21

Finding the Fourth Proportional to 71,860.03, 107,781.54 and 19,273.21

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Solution

The fourth proportional to 71,860.03, 107,781.54 and 19,273.21 is: 28,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,860.03 : 107,781.54 = 19,273.21 : x
  2. Step 2: Convert to fraction form
    71,860.03/107,781.54 = 19,273.21/x
  3. Step 3: Cross multiply
    71,860.03x = 107,781.54 × 19,273.21
  4. Step 4: Simplify right side
    71,860.03x = 2,077,296,254.54
  5. Step 5: Solve for x
    x = 2,077,296,254.54/71,860.03
  6. Step 6: Final answer
    x = 28,907.53

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1.5x scale

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.