Home / 71,962.13-107,943.20-19,370.25

Finding the Fourth Proportional to 71,962.13, 107,943.20 and 19,370.25

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Solution

The fourth proportional to 71,962.13, 107,943.20 and 19,370.25 is: 29,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,962.13 : 107,943.20 = 19,370.25 : x
  2. Step 2: Convert to fraction form
    71,962.13/107,943.20 = 19,370.25/x
  3. Step 3: Cross multiply
    71,962.13x = 107,943.20 × 19,370.25
  4. Step 4: Simplify right side
    71,962.13x = 2,090,886,745.59
  5. Step 5: Solve for x
    x = 2,090,886,745.59/71,962.13
  6. Step 6: Final answer
    x = 29,055.38

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Similar ratio
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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.