Home / 33,310.69-45,971.36-18,971.12

Finding the Fourth Proportional to 33,310.69, 45,971.36 and 18,971.12

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Solution

The fourth proportional to 33,310.69, 45,971.36 and 18,971.12 is: 26,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,310.69 : 45,971.36 = 18,971.12 : x
  2. Step 2: Convert to fraction form
    33,310.69/45,971.36 = 18,971.12/x
  3. Step 3: Cross multiply
    33,310.69x = 45,971.36 × 18,971.12
  4. Step 4: Simplify right side
    33,310.69x = 872,128,349.48
  5. Step 5: Solve for x
    x = 872,128,349.48/33,310.69
  6. Step 6: Final answer
    x = 26,181.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.