Home / 71,649.39-107,473.69-18,341.26

Finding the Fourth Proportional to 71,649.39, 107,473.69 and 18,341.26

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Solution

The fourth proportional to 71,649.39, 107,473.69 and 18,341.26 is: 27,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,649.39 : 107,473.69 = 18,341.26 : x
  2. Step 2: Convert to fraction form
    71,649.39/107,473.69 = 18,341.26/x
  3. Step 3: Cross multiply
    71,649.39x = 107,473.69 × 18,341.26
  4. Step 4: Simplify right side
    71,649.39x = 1,971,202,844.79
  5. Step 5: Solve for x
    x = 1,971,202,844.79/71,649.39
  6. Step 6: Final answer
    x = 27,511.79

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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.